697747796 has 24 divisors (see below), whose sum is σ = 1295821800. Its totient is φ = 327606272.

The previous prime is 697747793. The next prime is 697747823.

It is a happy number.

697747796 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 113848900 + 583898896 = 10670^2 + 24164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697747793) 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, 19106 + ... + 41958.

It is an arithmetic number, because the mean of its divisors is an integer number (53992575).

Almost surely, 2^697747796 is an apocalyptic number.

It is an amenable number.

697747796 is a deficient number, since it is larger than the sum of its proper divisors (598074004).

697747796 is a wasteful number, since it uses less digits than its factorization.

697747796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323 (or 23321 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 62.

The square root of 697747796 is about 26414.9161649247. The cubic root of 697747796 is about 886.9507210452.

The spelling of 697747796 in words is "six hundred ninety-seven million, seven hundred forty-seven thousand, seven hundred ninety-six".