74928960 has 84 divisors (see below), whose sum is σ = 257734308. Its totient is φ = 19980288.

The previous prime is 74928947. The next prime is 74928967. The reversal of 74928960 is 6982947.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42302016 + 32626944 = 6504^2 + 5712^2 .

It is a super-2 number, since 2×74928960² = 11228698093363200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74928967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10129 + ... + 15888.

Almost surely, 2^74928960 is an apocalyptic number.

It is an amenable number.

74928960 is an abundant number, since it is smaller than the sum of its proper divisors (182805348).

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

74928960 is a wasteful number, since it uses less digits than its factorization.

74928960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26040 (or 26027 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 74928960 is about 8656.1515698375. The cubic root of 74928960 is about 421.5831406854.

The spelling of 74928960 in words is "seventy-four million, nine hundred twenty-eight thousand, nine hundred sixty".