74855560 has 32 divisors (see below), whose sum is σ = 181382040. Its totient is φ = 27638784.

The previous prime is 74855533. The next prime is 74855603. The reversal of 74855560 is 6555847.

It can be written as a sum of positive squares in 4 ways, for example, as 23561316 + 51294244 = 4854^2 + 7162^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71457 + ... + 72496.

Almost surely, 2^74855560 is an apocalyptic number.

It is an amenable number.

74855560 is an abundant number, since it is smaller than the sum of its proper divisors (106526480).

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

74855560 is a wasteful number, since it uses less digits than its factorization.

74855560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143977 (or 143973 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 74855560 is about 8651.9107716157. The cubic root of 74855560 is about 421.4454355299.

The spelling of 74855560 in words is "seventy-four million, eight hundred fifty-five thousand, five hundred sixty".