725032818634 has 8 divisors (see below), whose sum is σ = 1087559175780. Its totient is φ = 362513093376.

The previous prime is 725032818623. The next prime is 725032818673. The reversal of 725032818634 is 436818230527.

It can be written as a sum of positive squares in 2 ways, for example, as 724801930609 + 230888025 = 851353^2 + 15195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1374999 + ... + 1827754.

Almost surely, 2^725032818634 is an apocalyptic number.

725032818634 is a deficient number, since it is larger than the sum of its proper divisors (362526357146).

725032818634 is a wasteful number, since it uses less digits than its factorization.

725032818634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315944.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 725032818634 in words is "seven hundred twenty-five billion, thirty-two million, eight hundred eighteen thousand, six hundred thirty-four".