718140894 has 16 divisors (see below), whose sum is σ = 1520769168. Its totient is φ = 225299072.

The previous prime is 718140887. The next prime is 718140959. The reversal of 718140894 is 498041817.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520197 + ... + 3520400.

It is an arithmetic number, because the mean of its divisors is an integer number (95048073).

Almost surely, 2^718140894 is an apocalyptic number.

718140894 is an abundant number, since it is smaller than the sum of its proper divisors (802628274).

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

718140894 is a wasteful number, since it uses less digits than its factorization.

718140894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040619.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 718140894 is about 26798.1509436752. The cubic root of 718140894 is about 895.5088578693.

The spelling of 718140894 in words is "seven hundred eighteen million, one hundred forty thousand, eight hundred ninety-four".