715775761 has 4 divisors (see below), whose sum is σ = 715848192. Its totient is φ = 715703332.

The previous prime is 715775741. The next prime is 715775783. The reversal of 715775761 is 167577517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 715775761 - 2⁵ = 715775729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715775741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18505 + ... + 42118.

It is an arithmetic number, because the mean of its divisors is an integer number (178962048).

Almost surely, 2^715775761 is an apocalyptic number.

It is an amenable number.

715775761 is a deficient number, since it is larger than the sum of its proper divisors (72431).

715775761 is a wasteful number, since it uses less digits than its factorization.

715775761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72430.

The product of its digits is 360150, while the sum is 46.

The square root of 715775761 is about 26753.9858899567. The cubic root of 715775761 is about 894.5246837895.

The spelling of 715775761 in words is "seven hundred fifteen million, seven hundred seventy-five thousand, seven hundred sixty-one".