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67723968 = 2631343631
BaseRepresentation
bin1000000100101…
…10001011000000
311201102201211010
410002112023000
5114314131333
610415320520
71451433654
oct402261300
9151381733
1067723968
1135257024
121a820140
1311052870
148dcca64
155e2b563
hex40962c0

67723968 has 112 divisors (see below), whose sum is σ = 197770496. Its totient is φ = 20321280.

The previous prime is 67723921. The next prime is 67724047. The reversal of 67723968 is 86932776.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107013 + ... + 107643.

It is an arithmetic number, because the mean of its divisors is an integer number (1765808).

Almost surely, 267723968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67723968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98885248).

67723968 is an abundant number, since it is smaller than the sum of its proper divisors (130046528).

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

67723968 is a wasteful number, since it uses less digits than its factorization.

67723968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 692 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 67723968 is about 8229.4573332632. The cubic root of 67723968 is about 407.6124732506.

The spelling of 67723968 in words is "sixty-seven million, seven hundred twenty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 43 48 52 64 78 86 96 104 129 156 172 192 208 258 312 344 416 516 559 624 631 688 832 1032 1118 1248 1262 1376 1677 1893 2064 2236 2496 2524 2752 3354 3786 4128 4472 5048 6708 7572 8203 8256 8944 10096 13416 15144 16406 17888 20192 24609 26832 27133 30288 32812 35776 40384 49218 53664 54266 60576 65624 81399 98436 107328 108532 121152 131248 162798 196872 217064 262496 325596 352729 393744 434128 524992 651192 705458 787488 868256 1058187 1302384 1410916 1574976 1736512 2116374 2604768 2821832 4232748 5209536 5643664 8465496 11287328 16930992 22574656 33861984 67723968