696620720 has 40 divisors (see below), whose sum is σ = 1627358640. Its totient is φ = 277320960.

The previous prime is 696620707. The next prime is 696620737. The reversal of 696620720 is 27026696.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 3755 + ... + 37514.

It is an arithmetic number, because the mean of its divisors is an integer number (40683966).

Almost surely, 2^696620720 is an apocalyptic number.

It is an amenable number.

696620720 is an abundant number, since it is smaller than the sum of its proper divisors (930737920).

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

696620720 is a wasteful number, since it uses less digits than its factorization.

696620720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41493 (or 41487 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 696620720 is about 26393.5734602194. The cubic root of 696620720 is about 886.4728981543.

The spelling of 696620720 in words is "six hundred ninety-six million, six hundred twenty thousand, seven hundred twenty".