45680690 has 32 divisors (see below), whose sum is σ = 90979200. Its totient is φ = 16374400.

The previous prime is 45680689. The next prime is 45680711. The reversal of 45680690 is 9608654.

It is a super-2 number, since 2×45680690² = 4173450877752200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4886 + ... + 10734.

It is an arithmetic number, because the mean of its divisors is an integer number (2843100).

Almost surely, 2^45680690 is an apocalyptic number.

45680690 is a deficient number, since it is larger than the sum of its proper divisors (45298510).

45680690 is a wasteful number, since it uses less digits than its factorization.

45680690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 45680690 is about 6758.7491446273. The cubic root of 45680690 is about 357.4738012001.

Subtracting from 45680690 its reverse (9608654), we obtain a square (36072036 = 6006²).

The spelling of 45680690 in words is "forty-five million, six hundred eighty thousand, six hundred ninety".