697065604 has 27 divisors (see below), whose sum is σ = 1252974807. Its totient is φ = 339318504.

The previous prime is 697065587. The next prime is 697065661. The reversal of 697065604 is 406560796.

The square root of 697065604 is 26402.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2270419 + ... + 2270725.

Almost surely, 2^697065604 is an apocalyptic number.

697065604 is the 26402-nd square number.

It is an amenable number.

697065604 is a deficient number, since it is larger than the sum of its proper divisors (555909203).

697065604 is an equidigital number, since it uses as much as digits as its factorization.

697065604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The cubic root of 697065604 is about 886.6615678628.

The spelling of 697065604 in words is "six hundred ninety-seven million, sixty-five thousand, six hundred four".