696707680 has 24 divisors (see below), whose sum is σ = 1645972272. Its totient is φ = 278683008.

The previous prime is 696707663. The next prime is 696707681. The reversal of 696707680 is 86707696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696707681) by changing a digit.

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, 2177052 + ... + 2177371.

It is an arithmetic number, because the mean of its divisors is an integer number (68582178).

Almost surely, 2^696707680 is an apocalyptic number.

It is an amenable number.

696707680 is an abundant number, since it is smaller than the sum of its proper divisors (949264592).

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

696707680 is a wasteful number, since it uses less digits than its factorization.

696707680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354438 (or 4354430 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 696707680 is about 26395.2207795275. The cubic root of 696707680 is about 886.5097831113.

The spelling of 696707680 in words is "six hundred ninety-six million, seven hundred seven thousand, six hundred eighty".