715725 has 18 divisors (see below), whose sum is σ = 1282346. Its totient is φ = 381600.

The previous prime is 715699. The next prime is 715727. The reversal of 715725 is 527517.

It can be written as a sum of positive squares in 3 ways, for example, as 9 + 715716 = 3^2 + 846^2 .

It is not a de Polignac number, because 715725 - 2¹² = 711629 is a prime.

It is a Duffinian number.

715725 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 715725.

It is not an unprimeable number, because it can be changed into a prime (715727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1366 + ... + 1815.

2⁷¹⁵⁷²⁵ is an apocalyptic number.

715725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

715725 is a deficient number, since it is larger than the sum of its proper divisors (566621).

715725 is a wasteful number, since it uses less digits than its factorization.

715725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3189 counting only the distinct ones).

The product of its digits is 2450, while the sum is 27.

The square root of 715725 is about 846.0053191322. The cubic root of 715725 is about 89.4503537483.

The spelling of 715725 in words is "seven hundred fifteen thousand, seven hundred twenty-five".