74925172 has 24 divisors (see below), whose sum is σ = 150042816. Its totient is φ = 32069568.

The previous prime is 74925167. The next prime is 74925197. The reversal of 74925172 is 27152947.

It is a super-2 number, since 2×74925172² = 11227562798459168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 32283 + ... + 34525.

It is an arithmetic number, because the mean of its divisors is an integer number (6251784).

Almost surely, 2^74925172 is an apocalyptic number.

It is an amenable number.

74925172 is an abundant number, since it is smaller than the sum of its proper divisors (75117644).

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

74925172 is a wasteful number, since it uses less digits than its factorization.

74925172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3445 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 74925172 is about 8655.9327631400. The cubic root of 74925172 is about 421.5760362501.

It can be divided in two parts, 749 and 25172, that added together give a square (25921 = 161²).

The spelling of 74925172 in words is "seventy-four million, nine hundred twenty-five thousand, one hundred seventy-two".