697972036 has 12 divisors (see below), whose sum is σ = 1234044028. Its totient is φ = 345388032.

The previous prime is 697972027. The next prime is 697972057. The reversal of 697972036 is 630279796.

It can be written as a sum of positive squares in 2 ways, for example, as 287099136 + 410872900 = 16944^2 + 20270^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899061 + ... + 899836.

Almost surely, 2^697972036 is an apocalyptic number.

It is an amenable number.

697972036 is a deficient number, since it is larger than the sum of its proper divisors (536071992).

697972036 is a wasteful number, since it uses less digits than its factorization.

697972036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798998 (or 1798996 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 697972036 is about 26419.1603954403. The cubic root of 697972036 is about 887.0457260162.

The spelling of 697972036 in words is "six hundred ninety-seven million, nine hundred seventy-two thousand, thirty-six".