712623856 has 30 divisors (see below), whose sum is σ = 1606132320. Its totient is φ = 305409888.

The previous prime is 712623851. The next prime is 712623913. The reversal of 712623856 is 658326217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712623851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 453696 + ... + 455263.

It is an arithmetic number, because the mean of its divisors is an integer number (53537744).

Almost surely, 2^712623856 is an apocalyptic number.

It is an amenable number.

712623856 is an abundant number, since it is smaller than the sum of its proper divisors (893508464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712623856 is a wasteful number, since it uses less digits than its factorization.

712623856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908981 (or 908968 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 712623856 is about 26695.0155647080. The cubic root of 712623856 is about 893.2097442948.

The spelling of 712623856 in words is "seven hundred twelve million, six hundred twenty-three thousand, eight hundred fifty-six".