693972564 has 24 divisors (see below), whose sum is σ = 1623021120. Its totient is φ = 230788224.

The previous prime is 693972563. The next prime is 693972569. The reversal of 693972564 is 465279396.

693972564 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 (693972563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61584 + ... + 71975.

It is an arithmetic number, because the mean of its divisors is an integer number (67625880).

Almost surely, 2^693972564 is an apocalyptic number.

It is an amenable number.

693972564 is an abundant number, since it is smaller than the sum of its proper divisors (929048556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693972564 is a wasteful number, since it uses less digits than its factorization.

693972564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133999 (or 133997 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The square root of 693972564 is about 26343.3590113334. The cubic root of 693972564 is about 885.3481830842.

The spelling of 693972564 in words is "six hundred ninety-three million, nine hundred seventy-two thousand, five hundred sixty-four".