712889856 has 320 divisors, whose sum is σ = 2474841600. Its totient is φ = 198402048.

The previous prime is 712889813. The next prime is 712889869. The reversal of 712889856 is 658988217.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5128635 + ... + 5128773.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^712889856 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 712889856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237420800).

712889856 is an abundant number, since it is smaller than the sum of its proper divisors (1761951744).

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

712889856 is a wasteful number, since it uses less digits than its factorization.

712889856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 204 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 712889856 is about 26699.9973033707. The cubic root of 712889856 is about 893.3208661412.

The spelling of 712889856 in words is "seven hundred twelve million, eight hundred eighty-nine thousand, eight hundred fifty-six".