74970900 has 72 divisors (see below), whose sum is σ = 241026240. Its totient is φ = 19991520.

The previous prime is 74970893. The next prime is 74970937. The reversal of 74970900 is 907947.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11184 + ... + 16583.

Almost surely, 2^74970900 is an apocalyptic number.

It is an amenable number.

74970900 is an abundant number, since it is smaller than the sum of its proper divisors (166055340).

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

74970900 is a wasteful number, since it uses less digits than its factorization.

74970900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27790 (or 27777 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 74970900 is about 8658.5737855608. The cubic root of 74970900 is about 421.6617836162.

The spelling of 74970900 in words is "seventy-four million, nine hundred seventy thousand, nine hundred".