715272779 has 4 divisors (see below), whose sum is σ = 770293776. Its totient is φ = 660251784.

The previous prime is 715272769. The next prime is 715272787. The reversal of 715272779 is 977272517.

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 715272779 - 2²⁴ = 698495563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715272769) 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 3 ways as a sum of consecutive naturals, for example, 27510479 + ... + 27510504.

It is an arithmetic number, because the mean of its divisors is an integer number (192573444).

Almost surely, 2^715272779 is an apocalyptic number.

715272779 is a deficient number, since it is larger than the sum of its proper divisors (55020997).

715272779 is a wasteful number, since it uses less digits than its factorization.

715272779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55020996.

The product of its digits is 432180, while the sum is 47.

The square root of 715272779 is about 26744.5841059456. The cubic root of 715272779 is about 894.3151045376.

The spelling of 715272779 in words is "seven hundred fifteen million, two hundred seventy-two thousand, seven hundred seventy-nine".