74908480 has 28 divisors (see below), whose sum is σ = 178376580. Its totient is φ = 29963264.

The previous prime is 74908441. The next prime is 74908487. The reversal of 74908480 is 8480947.

It can be written as a sum of positive squares in 2 ways, for example, as 47114496 + 27793984 = 6864^2 + 5272^2 .

It is a super-2 number, since 2×74908480² = 11222560751820800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74908487) 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, 116725 + ... + 117364.

Almost surely, 2^74908480 is an apocalyptic number.

It is an amenable number.

74908480 is an abundant number, since it is smaller than the sum of its proper divisors (103468100).

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

74908480 is a wasteful number, since it uses less digits than its factorization.

74908480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234106 (or 234096 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 74908480 is about 8654.9685152518. The cubic root of 74908480 is about 421.5447273694.

The spelling of 74908480 in words is "seventy-four million, nine hundred eight thousand, four hundred eighty".