697470568 has 8 divisors (see below), whose sum is σ = 1307757330. Its totient is φ = 348735280.

The previous prime is 697470551. The next prime is 697470623. The reversal of 697470568 is 865074796.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 452923524 + 244547044 = 21282^2 + 15638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 43591903 + ... + 43591918.

Almost surely, 2^697470568 is an apocalyptic number.

It is an amenable number.

697470568 is a deficient number, since it is larger than the sum of its proper divisors (610286762).

697470568 is a wasteful number, since it uses less digits than its factorization.

697470568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87183827 (or 87183823 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 697470568 is about 26409.6680781868. The cubic root of 697470568 is about 886.8332382201.

The spelling of 697470568 in words is "six hundred ninety-seven million, four hundred seventy thousand, five hundred sixty-eight".