74685290 has 8 divisors (see below), whose sum is σ = 134433540. Its totient is φ = 29874112.

The previous prime is 74685253. The next prime is 74685307. The reversal of 74685290 is 9258647.

It can be written as a sum of positive squares in 2 ways, for example, as 71859529 + 2825761 = 8477^2 + 1681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734255 + ... + 3734274.

Almost surely, 2^74685290 is an apocalyptic number.

74685290 is a deficient number, since it is larger than the sum of its proper divisors (59748250).

74685290 is a wasteful number, since it uses less digits than its factorization.

74685290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468536.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 74685290 is about 8642.0651467112. The cubic root of 74685290 is about 421.1256463591.

The spelling of 74685290 in words is "seventy-four million, six hundred eighty-five thousand, two hundred ninety".