709157968 has 10 divisors (see below), whose sum is σ = 1373993594. Its totient is φ = 354578976.

The previous prime is 709157899. The next prime is 709157971. The reversal of 709157968 is 869751907.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 709050384 + 107584 = 26628^2 + 328^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22161171 + ... + 22161202.

Almost surely, 2^709157968 is an apocalyptic number.

It is an amenable number.

709157968 is a deficient number, since it is larger than the sum of its proper divisors (664835626).

709157968 is a wasteful number, since it uses less digits than its factorization.

709157968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44322381 (or 44322375 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 709157968 is about 26630.0200525647. The cubic root of 709157968 is about 891.7593309973.

The spelling of 709157968 in words is "seven hundred nine million, one hundred fifty-seven thousand, nine hundred sixty-eight".