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74472916 = 2274915417
BaseRepresentation
bin1000111000001…
…01110111010100
312012010121122011
410130011313110
5123031113131
611220114004
71563003130
oct434056724
9165117564
1074472916
1139046671
1220b35904
131257671b
149c683c0
1568110b1
hex4705dd4

74472916 has 24 divisors (see below), whose sum is σ = 149276736. Its totient is φ = 31846080.

The previous prime is 74472911. The next prime is 74472917. The reversal of 74472916 is 61927447.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74472911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11040 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (6219864).

Almost surely, 274472916 is an apocalyptic number.

It is an amenable number.

74472916 is an abundant number, since it is smaller than the sum of its proper divisors (74803820).

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

74472916 is a wasteful number, since it uses less digits than its factorization.

74472916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919 (or 5917 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 74472916 is about 8629.7691742016. The cubic root of 74472916 is about 420.7260984906.

The spelling of 74472916 in words is "seventy-four million, four hundred seventy-two thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 491 982 1964 3437 5417 6874 10834 13748 21668 37919 75838 151676 2659747 5319494 10638988 18618229 37236458 74472916