697091804 has 12 divisors (see below), whose sum is σ = 1220432304. Its totient is φ = 348396864.

The previous prime is 697091767. The next prime is 697091809. The reversal of 697091804 is 408190796.

697091804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697091809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26384 + ... + 45719.

It is an arithmetic number, because the mean of its divisors is an integer number (101702692).

Almost surely, 2^697091804 is an apocalyptic number.

It is an amenable number.

697091804 is a deficient number, since it is larger than the sum of its proper divisors (523340500).

697091804 is a wasteful number, since it uses less digits than its factorization.

697091804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74524 (or 74522 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 697091804 is about 26402.4961698700. The cubic root of 697091804 is about 886.6726764500.

The spelling of 697091804 in words is "six hundred ninety-seven million, ninety-one thousand, eight hundred four".