715915 has 8 divisors (see below), whose sum is σ = 866448. Its totient is φ = 567840.

The previous prime is 715909. The next prime is 715919. The reversal of 715915 is 519517.

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

It is not a de Polignac number, because 715915 - 2¹³ = 707723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (108306).

2⁷¹⁵⁹¹⁵ is an apocalyptic number.

715915 is a deficient number, since it is larger than the sum of its proper divisors (150533).

715915 is a wasteful number, since it uses less digits than its factorization.

715915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its digits is 1575, while the sum is 28.

The square root of 715915 is about 846.1176041190. The cubic root of 715915 is about 89.4582683633.

The spelling of 715915 in words is "seven hundred fifteen thousand, nine hundred fifteen".