725317370 has 8 divisors (see below), whose sum is σ = 1305571284. Its totient is φ = 290126944.

The previous prime is 725317361. The next prime is 725317391. The reversal of 725317370 is 73713527.

It can be written as a sum of positive squares in 2 ways, for example, as 633176569 + 92140801 = 25163^2 + 9599^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 725317370.

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, 36265859 + ... + 36265878.

Almost surely, 2^725317370 is an apocalyptic number.

725317370 is a deficient number, since it is larger than the sum of its proper divisors (580253914).

725317370 is a wasteful number, since it uses less digits than its factorization.

725317370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72531744.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 725317370 is about 26931.7168037985. The cubic root of 725317370 is about 898.4819553322.

The spelling of 725317370 in words is "seven hundred twenty-five million, three hundred seventeen thousand, three hundred seventy".