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6743968 = 2572111723
BaseRepresentation
bin11001101110011110100000
3110200121222121
4121232132200
53211301333
6400314024
7111215500
oct31563640
913617877
106743968
113896930
122312914
13152181a
14c77a00
158d332d
hex66e7a0

6743968 has 144 divisors (see below), whose sum is σ = 18615744. Its totient is φ = 2365440.

The previous prime is 6743941. The next prime is 6743987. The reversal of 6743968 is 8693476.

It is a happy number.

It is a super-2 number, since 2×67439682 = 90962208770048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293205 + ... + 293227.

It is an arithmetic number, because the mean of its divisors is an integer number (129276).

Almost surely, 26743968 is an apocalyptic number.

6743968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6743968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9307872).

6743968 is an abundant number, since it is smaller than the sum of its proper divisors (11871776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6743968 is a wasteful number, since it uses less digits than its factorization.

6743968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 60 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 6743968 is about 2596.9150929516. The cubic root of 6743968 is about 188.9318455678.

Adding to 6743968 its product of digits (217728), we get a palindrome (6961696).

The spelling of 6743968 in words is "six million, seven hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 17 22 23 28 32 34 44 46 49 56 68 77 88 92 98 112 119 136 154 161 176 184 187 196 224 238 253 272 308 322 352 368 374 391 392 476 506 539 544 616 644 736 748 782 784 833 952 1012 1078 1127 1232 1288 1309 1496 1564 1568 1666 1771 1904 2024 2156 2254 2464 2576 2618 2737 2992 3128 3332 3542 3808 4048 4301 4312 4508 5152 5236 5474 5984 6256 6664 7084 8096 8602 8624 9016 9163 10472 10948 12397 12512 13328 14168 17204 17248 18032 18326 19159 20944 21896 24794 26656 28336 30107 34408 36064 36652 38318 41888 43792 49588 56672 60214 68816 73304 76636 87584 99176 120428 137632 146608 153272 198352 210749 240856 293216 306544 396704 421498 481712 613088 842996 963424 1685992 3371984 6743968