725341815 has 96 divisors (see below), whose sum is σ = 1454319360. Its totient is φ = 330739200.

The previous prime is 725341807. The next prime is 725341849. The reversal of 725341815 is 518143527.

It is not a de Polignac number, because 725341815 - 2³ = 725341807 is a prime.

It is a super-2 number, since 2×725341815² = 1052241497174988450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725341815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2191200 + ... + 2191530.

It is an arithmetic number, because the mean of its divisors is an integer number (15149160).

Almost surely, 2^725341815 is an apocalyptic number.

725341815 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

725341815 is a wasteful number, since it uses less digits than its factorization.

725341815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 602 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 725341815 is about 26932.1706329067. The cubic root of 725341815 is about 898.4920489113.

The spelling of 725341815 in words is "seven hundred twenty-five million, three hundred forty-one thousand, eight hundred fifteen".