74905328 has 20 divisors (see below), whose sum is σ = 146058360. Its totient is φ = 37212864.

The previous prime is 74905321. The next prime is 74905333. The reversal of 74905328 is 82350947.

It is a super-2 number, since 2×74905328² = 11221616325575168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74905291 and 74905300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74905321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12398 + ... + 17421.

It is an arithmetic number, because the mean of its divisors is an integer number (7302918).

Almost surely, 2^74905328 is an apocalyptic number.

It is an amenable number.

74905328 is a deficient number, since it is larger than the sum of its proper divisors (71153032).

74905328 is a wasteful number, since it uses less digits than its factorization.

74905328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29984 (or 29978 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 74905328 is about 8654.7864213971. The cubic root of 74905328 is about 421.5388146982.

The spelling of 74905328 in words is "seventy-four million, nine hundred five thousand, three hundred twenty-eight".