697068836 has 6 divisors (see below), whose sum is σ = 1219870470. Its totient is φ = 348534416.

The previous prime is 697068817. The next prime is 697068857. The reversal of 697068836 is 638860796.

It can be written as a sum of positive squares in only one way, i.e., 694006336 + 3062500 = 26344^2 + 1750^2 .

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 as a sum of consecutive naturals, namely, 87133601 + ... + 87133608.

It is an arithmetic number, because the mean of its divisors is an integer number (203311745).

Almost surely, 2^697068836 is an apocalyptic number.

It is an amenable number.

697068836 is a deficient number, since it is larger than the sum of its proper divisors (522801634).

697068836 is a wasteful number, since it uses less digits than its factorization.

697068836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174267213 (or 174267211 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 697068836 is about 26402.0612074133. The cubic root of 697068836 is about 886.6629382196.

The spelling of 697068836 in words is "six hundred ninety-seven million, sixty-eight thousand, eight hundred thirty-six".