74976480 has 72 divisors (see below), whose sum is σ = 255862152. Its totient is φ = 19993344.

The previous prime is 74976479. The next prime is 74976509. The reversal of 74976480 is 8467947.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24594 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (3553641).

Almost surely, 2^74976480 is an apocalyptic number.

It is an amenable number.

74976480 is an abundant number, since it is smaller than the sum of its proper divisors (180885672).

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

74976480 is a wasteful number, since it uses less digits than its factorization.

74976480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52088 (or 52077 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 74976480 is about 8658.8960035330. The cubic root of 74976480 is about 421.6722446279.

The spelling of 74976480 in words is "seventy-four million, nine hundred seventy-six thousand, four hundred eighty".