715521472 has 28 divisors (see below), whose sum is σ = 1439322496. Its totient is φ = 352857600.

The previous prime is 715521451. The next prime is 715521481. The reversal of 715521472 is 274125517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71904 + ... + 81247.

Almost surely, 2^715521472 is an apocalyptic number.

It is an amenable number.

715521472 is an abundant number, since it is smaller than the sum of its proper divisors (723801024).

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

715521472 is a wasteful number, since it uses less digits than its factorization.

715521472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153236 (or 153226 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 715521472 is about 26749.2331105024. The cubic root of 715521472 is about 894.4187405868.

Adding to 715521472 its reverse (274125517), we get a palindrome (989646989).

The spelling of 715521472 in words is "seven hundred fifteen million, five hundred twenty-one thousand, four hundred seventy-two".