715279 has 4 divisors (see below), whose sum is σ = 717400. Its totient is φ = 713160.

The previous prime is 715259. The next prime is 715289. The reversal of 715279 is 972517.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 715279 - 2⁷ = 715151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 715279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715229) 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 3 ways as a sum of consecutive naturals, for example, 429 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (179350).

2⁷¹⁵²⁷⁹ is an apocalyptic number.

715279 is a deficient number, since it is larger than the sum of its proper divisors (2121).

715279 is a wasteful number, since it uses less digits than its factorization.

715279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120.

The product of its digits is 4410, while the sum is 31.

The square root of 715279 is about 845.7416863322. The cubic root of 715279 is about 89.4317697263.

It can be divided in two parts, 7 and 15279, that multiplied together give a triangular number (106953 = T₄₆₂).

The spelling of 715279 in words is "seven hundred fifteen thousand, two hundred seventy-nine".