74712554 has 12 divisors (see below), whose sum is σ = 130365954. Its totient is φ = 32019624.

The previous prime is 74712553. The next prime is 74712559. The reversal of 74712554 is 45521747.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 4739329 = 8365^2 + 2177^2 .

It is not an unprimeable number, because it can be changed into a prime (74712551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381089 + ... + 381284.

Almost surely, 2^74712554 is an apocalyptic number.

74712554 is a deficient number, since it is larger than the sum of its proper divisors (55653400).

74712554 is a wasteful number, since it uses less digits than its factorization.

74712554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762389 (or 762382 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 74712554 is about 8643.6424035241. The cubic root of 74712554 is about 421.1768843507.

The spelling of 74712554 in words is "seventy-four million, seven hundred twelve thousand, five hundred fifty-four".