709715385 has 32 divisors (see below), whose sum is σ = 1274232960. Its totient is φ = 374760000.

The previous prime is 709715359. The next prime is 709715411. The reversal of 709715385 is 583517907.

It is an interprime number because it is at equal distance from previous prime (709715359) and next prime (709715411).

It is not a de Polignac number, because 709715385 - 2⁵ = 709715353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 709715385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12391 + ... + 39660.

It is an arithmetic number, because the mean of its divisors is an integer number (39819780).

Almost surely, 2^709715385 is an apocalyptic number.

It is an amenable number.

709715385 is a deficient number, since it is larger than the sum of its proper divisors (564517575).

709715385 is a wasteful number, since it uses less digits than its factorization.

709715385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52166 (or 52160 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 709715385 is about 26640.4839483069. The cubic root of 709715385 is about 891.9929186465.

The spelling of 709715385 in words is "seven hundred nine million, seven hundred fifteen thousand, three hundred eighty-five".