74775480 has 64 divisors (see below), whose sum is σ = 241587360. Its totient is φ = 18405888.

The previous prime is 74775473. The next prime is 74775499. The reversal of 74775480 is 8457747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22407 + ... + 25526.

Almost surely, 2^74775480 is an apocalyptic number.

It is an amenable number.

74775480 is an abundant number, since it is smaller than the sum of its proper divisors (166811880).

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

74775480 is a wasteful number, since it uses less digits than its factorization.

74775480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47960 (or 47956 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 74775480 is about 8647.2816537916. The cubic root of 74775480 is about 421.2950953610.

The spelling of 74775480 in words is "seventy-four million, seven hundred seventy-five thousand, four hundred eighty".