715117725 has 144 divisors (see below), whose sum is σ = 1609420800. Its totient is φ = 295954560.

The previous prime is 715117723. The next prime is 715117727. The reversal of 715117725 is 527711517.

715117725 is a `hidden beast` number, since 71 + 511 + 7 + 72 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (715117723) and next prime (715117727).

It is not a de Polignac number, because 715117725 - 2¹ = 715117723 is a prime.

It is a super-2 number, since 2×715117725² = 1022786721218351250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 715117725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715117721) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 687756 + ... + 688794.

Almost surely, 2^715117725 is an apocalyptic number.

715117725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

715117725 is an abundant number, since it is smaller than the sum of its proper divisors (894303075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

715117725 is a wasteful number, since it uses less digits than its factorization.

715117725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1096 counting only the distinct ones).

The product of its digits is 17150, while the sum is 36.

The square root of 715117725 is about 26741.6851563248. The cubic root of 715117725 is about 894.2504778388.

The spelling of 715117725 in words is "seven hundred fifteen million, one hundred seventeen thousand, seven hundred twenty-five".