42718792 has 16 divisors (see below), whose sum is σ = 80684460. Its totient is φ = 21202944.

The previous prime is 42718789. The next prime is 42718799. The reversal of 42718792 is 29781724.

It can be written as a sum of positive squares in 2 ways, for example, as 40627876 + 2090916 = 6374^2 + 1446^2 .

It is not an unprimeable number, because it can be changed into a prime (42718799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18393 + ... + 20584.

Almost surely, 2^42718792 is an apocalyptic number.

It is an amenable number.

42718792 is a deficient number, since it is larger than the sum of its proper divisors (37965668).

42718792 is a wasteful number, since it uses less digits than its factorization.

42718792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39120 (or 39116 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 42718792 is about 6535.9614441947. The cubic root of 42718792 is about 349.5744269634.

The spelling of 42718792 in words is "forty-two million, seven hundred eighteen thousand, seven hundred ninety-two".