675645604 has 24 divisors (see below), whose sum is σ = 1229728640. Its totient is φ = 324526176.

The previous prime is 675645599. The next prime is 675645613. The reversal of 675645604 is 406546576.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17202 + ... + 40585.

Almost surely, 2^675645604 is an apocalyptic number.

It is an amenable number.

675645604 is a deficient number, since it is larger than the sum of its proper divisors (554083036).

675645604 is a wasteful number, since it uses less digits than its factorization.

675645604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57907 (or 57905 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 675645604 is about 25993.1837988346. The cubic root of 675645604 is about 877.4849001333.

The spelling of 675645604 in words is "six hundred seventy-five million, six hundred forty-five thousand, six hundred four".