715291993 has 24 divisors (see below), whose sum is σ = 818990880. Its totient is φ = 622702080.

The previous prime is 715291979. The next prime is 715292003. The reversal of 715291993 is 399192517.

It is not a de Polignac number, because 715291993 - 2²⁵ = 681737561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715291943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062505 + ... + 1063177.

It is an arithmetic number, because the mean of its divisors is an integer number (34124620).

Almost surely, 2^715291993 is an apocalyptic number.

It is an amenable number.

715291993 is a deficient number, since it is larger than the sum of its proper divisors (103698887).

715291993 is a wasteful number, since it uses less digits than its factorization.

715291993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1036 counting only the distinct ones).

The product of its digits is 153090, while the sum is 46.

The square root of 715291993 is about 26744.9433164477. The cubic root of 715291993 is about 894.3231123061.

The spelling of 715291993 in words is "seven hundred fifteen million, two hundred ninety-one thousand, nine hundred ninety-three".