712906808 has 8 divisors (see below), whose sum is σ = 1336700280. Its totient is φ = 356453400.

The previous prime is 712906769. The next prime is 712906813. The reversal of 712906808 is 808609217.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×712906808² = 1016472233785497728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44556668 + ... + 44556683.

It is an arithmetic number, because the mean of its divisors is an integer number (167087535).

Almost surely, 2^712906808 is an apocalyptic number.

It is an amenable number.

712906808 is a deficient number, since it is larger than the sum of its proper divisors (623793472).

712906808 is a wasteful number, since it uses less digits than its factorization.

712906808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89113357 (or 89113353 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 712906808 is about 26700.3147546991. The cubic root of 712906808 is about 893.3279469243.

The spelling of 712906808 in words is "seven hundred twelve million, nine hundred six thousand, eight hundred eight".