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72974004 = 22353179641
BaseRepresentation
bin1000101100101…
…11111010110100
312002022110111220
410112113322310
5122140132004
611124030340
71544161125
oct426277264
9162273456
1072974004
11382124a4
12205323b0
13121703ac
14999804c
156616dd9
hex4597eb4

72974004 has 48 divisors (see below), whose sum is σ = 174726720. Its totient is φ = 23695360.

The previous prime is 72973993. The next prime is 72974017. The reversal of 72974004 is 40047927.

It is a congruent number.

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, 113524 + ... + 114164.

It is an arithmetic number, because the mean of its divisors is an integer number (3640140).

Almost surely, 272974004 is an apocalyptic number.

It is an amenable number.

72974004 is an abundant number, since it is smaller than the sum of its proper divisors (101752716).

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

72974004 is a wasteful number, since it uses less digits than its factorization.

72974004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72974004 is about 8542.4823090247. The cubic root of 72974004 is about 417.8843036560.

The spelling of 72974004 in words is "seventy-two million, nine hundred seventy-four thousand, four".

Divisors: 1 2 3 4 6 12 53 106 159 179 212 318 358 537 636 641 716 1074 1282 1923 2148 2564 3846 7692 9487 18974 28461 33973 37948 56922 67946 101919 113844 114739 135892 203838 229478 344217 407676 458956 688434 1376868 6081167 12162334 18243501 24324668 36487002 72974004