74980624 has 10 divisors (see below), whose sum is σ = 145274990. Its totient is φ = 37490304.

The previous prime is 74980583. The next prime is 74980627. The reversal of 74980624 is 42608947.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 1364224 = 8580^2 + 1168^2 .

It is not an unprimeable number, because it can be changed into a prime (74980627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343129 + ... + 2343160.

It is an arithmetic number, because the mean of its divisors is an integer number (14527499).

Almost surely, 2^74980624 is an apocalyptic number.

It is an amenable number.

74980624 is a deficient number, since it is larger than the sum of its proper divisors (70294366).

74980624 is a wasteful number, since it uses less digits than its factorization.

74980624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686297 (or 4686291 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 74980624 is about 8659.1352917021. The cubic root of 74980624 is about 421.6800131868.

The spelling of 74980624 in words is "seventy-four million, nine hundred eighty thousand, six hundred twenty-four".