696563720 has 16 divisors (see below), whose sum is σ = 1567268460. Its totient is φ = 278625472.

The previous prime is 696563713. The next prime is 696563741. The reversal of 696563720 is 27365696.

It can be written as a sum of positive squares in 2 ways, for example, as 691374436 + 5189284 = 26294^2 + 2278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8707007 + ... + 8707086.

Almost surely, 2^696563720 is an apocalyptic number.

It is an amenable number.

696563720 is an abundant number, since it is smaller than the sum of its proper divisors (870704740).

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

696563720 is a wasteful number, since it uses less digits than its factorization.

696563720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414104 (or 17414100 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 696563720 is about 26392.4936298183. The cubic root of 696563720 is about 886.4487193666.

The spelling of 696563720 in words is "six hundred ninety-six million, five hundred sixty-three thousand, seven hundred twenty".