712304720 has 40 divisors (see below), whose sum is σ = 1664551944. Its totient is φ = 283469312.

The previous prime is 712304717. The next prime is 712304741. The reversal of 712304720 is 27403217.

It can be written as a sum of positive squares in 4 ways, for example, as 446223376 + 266081344 = 21124^2 + 16312^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 712304720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839 + ... + 38358.

Almost surely, 2^712304720 is an apocalyptic number.

It is an amenable number.

712304720 is an abundant number, since it is smaller than the sum of its proper divisors (952247224).

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

712304720 is a wasteful number, since it uses less digits than its factorization.

712304720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45407 (or 45401 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 712304720 is about 26689.0374498594. The cubic root of 712304720 is about 893.0763883196.

Adding to 712304720 its reverse (27403217), we get a palindrome (739707937).

The spelling of 712304720 in words is "seven hundred twelve million, three hundred four thousand, seven hundred twenty".