712987056 has 80 divisors (see below), whose sum is σ = 2050662400. Its totient is φ = 237183552.

The previous prime is 712987031. The next prime is 712987057. The reversal of 712987056 is 650789217.

It is not an unprimeable number, because it can be changed into a prime (712987057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260865 + ... + 263583.

It is an arithmetic number, because the mean of its divisors is an integer number (25633280).

Almost surely, 2^712987056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712987056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025331200).

712987056 is an abundant number, since it is smaller than the sum of its proper divisors (1337675344).

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

712987056 is a wasteful number, since it uses less digits than its factorization.

712987056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 712987056 is about 26701.8174662325. The cubic root of 712987056 is about 893.3614646719.

The spelling of 712987056 in words is "seven hundred twelve million, nine hundred eighty-seven thousand, fifty-six".