696976690 has 8 divisors (see below), whose sum is σ = 1254558060. Its totient is φ = 278790672.

The previous prime is 696976669. The next prime is 696976697. The reversal of 696976690 is 96679696.

It can be written as a sum of positive squares in 2 ways, for example, as 692900329 + 4076361 = 26323^2 + 2019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×696976690² = 971553012806712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (696976697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34848825 + ... + 34848844.

Almost surely, 2^696976690 is an apocalyptic number.

696976690 is a deficient number, since it is larger than the sum of its proper divisors (557581370).

696976690 is a wasteful number, since it uses less digits than its factorization.

696976690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69697676.

The product of its (nonzero) digits is 6613488, while the sum is 58.

The square root of 696976690 is about 26400.3160965925. The cubic root of 696976690 is about 886.6238669738.

The spelling of 696976690 in words is "six hundred ninety-six million, nine hundred seventy-six thousand, six hundred ninety".