712466721 has 12 divisors (see below), whose sum is σ = 1029375360. Its totient is φ = 474859320.

The previous prime is 712466663. The next prime is 712466723. The reversal of 712466721 is 127664217.

It is not a de Polignac number, because 712466721 - 2¹¹ = 712464673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (712466723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43240 + ... + 57398.

It is an arithmetic number, because the mean of its divisors is an integer number (85781280).

Almost surely, 2^712466721 is an apocalyptic number.

It is an amenable number.

712466721 is a deficient number, since it is larger than the sum of its proper divisors (316908639).

712466721 is a wasteful number, since it uses less digits than its factorization.

712466721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19756 (or 19753 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 712466721 is about 26692.0722500146. The cubic root of 712466721 is about 893.1440879510.

The spelling of 712466721 in words is "seven hundred twelve million, four hundred sixty-six thousand, seven hundred twenty-one".