715615 has 8 divisors (see below), whose sum is σ = 909360. Its totient is φ = 538752.

The previous prime is 715613. The next prime is 715621. The reversal of 715615 is 516517.

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

It is a cyclic number.

It is not a de Polignac number, because 715615 - 2¹ = 715613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 715615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4125 + ... + 4294.

It is an arithmetic number, because the mean of its divisors is an integer number (113670).

2⁷¹⁵⁶¹⁵ is an apocalyptic number.

715615 is a deficient number, since it is larger than the sum of its proper divisors (193745).

715615 is a wasteful number, since it uses less digits than its factorization.

715615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441.

The product of its digits is 1050, while the sum is 25.

The square root of 715615 is about 845.9403052225. The cubic root of 715615 is about 89.4457709625.

The spelling of 715615 in words is "seven hundred fifteen thousand, six hundred fifteen".