718491942 has 48 divisors (see below), whose sum is σ = 1780676352. Its totient is φ = 205104240.

The previous prime is 718491931. The next prime is 718491953. The reversal of 718491942 is 249194817.

It is a happy number.

718491942 is a `hidden beast` number, since 71 + 8 + 491 + 94 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (718491931) and next prime (718491953).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223567 + ... + 226757.

It is an arithmetic number, because the mean of its divisors is an integer number (37097424).

Almost surely, 2^718491942 is an apocalyptic number.

718491942 is an abundant number, since it is smaller than the sum of its proper divisors (1062184410).

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

718491942 is a wasteful number, since it uses less digits than its factorization.

718491942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993 (or 4990 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 718491942 is about 26804.6999983212. The cubic root of 718491942 is about 895.6547509599.

The spelling of 718491942 in words is "seven hundred eighteen million, four hundred ninety-one thousand, nine hundred forty-two".