715721548228 has 12 divisors (see below), whose sum is σ = 1252520004652. Its totient is φ = 357858689760.

The previous prime is 715721548219. The next prime is 715721548279. The reversal of 715721548228 is 822845127517.

It can be written as a sum of positive squares in 2 ways, for example, as 495739911744 + 219981636484 = 704088^2 + 469022^2 .

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, 454426 + ... + 1279822.

Almost surely, 2^715721548228 is an apocalyptic number.

It is an amenable number.

715721548228 is a deficient number, since it is larger than the sum of its proper divisors (536798456424).

715721548228 is a wasteful number, since it uses less digits than its factorization.

715721548228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042182 (or 1042180 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 52.

The spelling of 715721548228 in words is "seven hundred fifteen billion, seven hundred twenty-one million, five hundred forty-eight thousand, two hundred twenty-eight".