697081804 has 48 divisors (see below), whose sum is σ = 1364519520. Its totient is φ = 309657600.

The previous prime is 697081799. The next prime is 697081807. The reversal of 697081804 is 408180796.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (697081807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434604 + ... + 436204.

It is an arithmetic number, because the mean of its divisors is an integer number (28427490).

Almost surely, 2^697081804 is an apocalyptic number.

It is an amenable number.

697081804 is a deficient number, since it is larger than the sum of its proper divisors (667437716).

697081804 is a wasteful number, since it uses less digits than its factorization.

697081804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 697081804 is about 26402.3067931573. The cubic root of 697081804 is about 886.6684365641.

The spelling of 697081804 in words is "six hundred ninety-seven million, eighty-one thousand, eight hundred four".