725514639274 has 16 divisors (see below), whose sum is σ = 1174029241608. Its totient is φ = 334976791552.

The previous prime is 725514639103. The next prime is 725514639293. The reversal of 725514639274 is 472936415527.

725514639274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 656480755225 + 69033884049 = 810235^2 + 262743^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201306367 + ... + 201309970.

Almost surely, 2^725514639274 is an apocalyptic number.

725514639274 is a deficient number, since it is larger than the sum of its proper divisors (448514602334).

725514639274 is a wasteful number, since it uses less digits than its factorization.

725514639274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402616409.

The product of its digits is 12700800, while the sum is 55.

The spelling of 725514639274 in words is "seven hundred twenty-five billion, five hundred fourteen million, six hundred thirty-nine thousand, two hundred seventy-four".