712137632 has 48 divisors (see below), whose sum is σ = 1480096800. Its totient is φ = 336349440.

The previous prime is 712137623. The next prime is 712137653. The reversal of 712137632 is 236731217.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235007 + ... + 238017.

It is an arithmetic number, because the mean of its divisors is an integer number (30835350).

Almost surely, 2^712137632 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 712137632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740048400).

712137632 is an abundant number, since it is smaller than the sum of its proper divisors (767959168).

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

712137632 is a wasteful number, since it uses less digits than its factorization.

712137632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429 (or 3421 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 712137632 is about 26685.9069922684. The cubic root of 712137632 is about 893.0065520951.

Adding to 712137632 its reverse (236731217), we get a palindrome (948868849).

The spelling of 712137632 in words is "seven hundred twelve million, one hundred thirty-seven thousand, six hundred thirty-two".