74690180 has 24 divisors (see below), whose sum is σ = 166076568. Its totient is φ = 28118528.

The previous prime is 74690117. The next prime is 74690201. The reversal of 74690180 is 8109647.

It can be written as a sum of positive squares in 4 ways, for example, as 11710084 + 62980096 = 3422^2 + 7936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74690180.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109499 + ... + 110178.

It is an arithmetic number, because the mean of its divisors is an integer number (6919857).

Almost surely, 2^74690180 is an apocalyptic number.

It is an amenable number.

74690180 is an abundant number, since it is smaller than the sum of its proper divisors (91386388).

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

74690180 is a wasteful number, since it uses less digits than its factorization.

74690180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219703 (or 219701 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 74690180 is about 8642.3480605678. The cubic root of 74690180 is about 421.1348371894.

The spelling of 74690180 in words is "seventy-four million, six hundred ninety thousand, one hundred eighty".