725079715 has 8 divisors (see below), whose sum is σ = 907926048. Its totient is φ = 554843520.

The previous prime is 725079709. The next prime is 725079731. The reversal of 725079715 is 517970527.

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

It is not a de Polignac number, because 725079715 - 2⁷ = 725079587 is a prime.

It is a Duffinian 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, 3152406 + ... + 3152635.

It is an arithmetic number, because the mean of its divisors is an integer number (113490756).

Almost surely, 2^725079715 is an apocalyptic number.

725079715 is a deficient number, since it is larger than the sum of its proper divisors (182846333).

725079715 is a wasteful number, since it uses less digits than its factorization.

725079715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305069.

The product of its (nonzero) digits is 154350, while the sum is 43.

The square root of 725079715 is about 26927.3042653735. The cubic root of 725079715 is about 898.3838134413.

The spelling of 725079715 in words is "seven hundred twenty-five million, seventy-nine thousand, seven hundred fifteen".