715552729 has 6 divisors (see below), whose sum is σ = 760120334. Its totient is φ = 673461120.

The previous prime is 715552727. The next prime is 715552751. The reversal of 715552729 is 927255517.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 251064025 + 464488704 = 15845^2 + 21552^2 .

It is not a de Polignac number, because 715552729 - 2¹ = 715552727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715552727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1237692 + ... + 1238269.

Almost surely, 2^715552729 is an apocalyptic number.

It is an amenable number.

715552729 is a deficient number, since it is larger than the sum of its proper divisors (44567605).

715552729 is a wasteful number, since it uses less digits than its factorization.

715552729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475995 (or 2475978 counting only the distinct ones).

The product of its digits is 220500, while the sum is 43.

The square root of 715552729 is about 26749.8173638625. The cubic root of 715552729 is about 894.4317643932.

The spelling of 715552729 in words is "seven hundred fifteen million, five hundred fifty-two thousand, seven hundred twenty-nine".