712544320 has 28 divisors (see below), whose sum is σ = 1696746924. Its totient is φ = 285017600.

The previous prime is 712544317. The next prime is 712544321. The reversal of 712544320 is 23445217.

It can be written as a sum of positive squares in 2 ways, for example, as 474891264 + 237653056 = 21792^2 + 15416^2 .

It is not an unprimeable number, because it can be changed into a prime (712544321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113031 + ... + 1113670.

Almost surely, 2^712544320 is an apocalyptic number.

It is an amenable number.

712544320 is an abundant number, since it is smaller than the sum of its proper divisors (984202604).

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

712544320 is a wasteful number, since it uses less digits than its factorization.

712544320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226718 (or 2226708 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 712544320 is about 26693.5258068319. The cubic root of 712544320 is about 893.1765126571.

Adding to 712544320 its reverse (23445217), we get a palindrome (735989537).

The spelling of 712544320 in words is "seven hundred twelve million, five hundred forty-four thousand, three hundred twenty".