725672615 has 8 divisors (see below), whose sum is σ = 876022560. Its totient is φ = 577061152.

The previous prime is 725672599. The next prime is 725672639. The reversal of 725672615 is 516276527.

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

It is not a de Polignac number, because 725672615 - 2⁴ = 725672599 is a prime.

It is a congruent number.

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, 433700 + ... + 435369.

It is an arithmetic number, because the mean of its divisors is an integer number (109502820).

Almost surely, 2^725672615 is an apocalyptic number.

725672615 is a deficient number, since it is larger than the sum of its proper divisors (150349945).

725672615 is a wasteful number, since it uses less digits than its factorization.

725672615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869241.

The product of its digits is 176400, while the sum is 41.

The square root of 725672615 is about 26938.3112870870. The cubic root of 725672615 is about 898.6286171662.

The spelling of 725672615 in words is "seven hundred twenty-five million, six hundred seventy-two thousand, six hundred fifteen".