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74000732 = 22131423091
BaseRepresentation
bin1000110100100…
…10100101011100
312011020121220212
410122102211130
5122421010412
611202031552
71555665401
oct432224534
9164217825
1074000732
1138853933
12209485b8
131243c820
149b842a8
15676b222
hex469295c

74000732 has 12 divisors (see below), whose sum is σ = 139463016. Its totient is φ = 34154160.

The previous prime is 74000723. The next prime is 74000749. The reversal of 74000732 is 23700047.

It is a super-2 number, since 2×740007322 = 10952216673071648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74000698 and 74000707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711494 + ... + 711597.

It is an arithmetic number, because the mean of its divisors is an integer number (11621918).

Almost surely, 274000732 is an apocalyptic number.

It is an amenable number.

74000732 is a deficient number, since it is larger than the sum of its proper divisors (65462284).

74000732 is a wasteful number, since it uses less digits than its factorization.

74000732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423108 (or 1423106 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 74000732 is about 8602.3678135732. The cubic root of 74000732 is about 419.8350296926.

Adding to 74000732 its reverse (23700047), we get a palindrome (97700779).

The spelling of 74000732 in words is "seventy-four million, seven hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 13 26 52 1423091 2846182 5692364 18500183 37000366 74000732