56742667718 has 32 divisors (see below), whose sum is σ = 95385381408. Its totient is φ = 25088659200.

The previous prime is 56742667703. The next prime is 56742667759. The reversal of 56742667718 is 81776624765.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4794248 + ... + 4806068.

It is an arithmetic number, because the mean of its divisors is an integer number (2980793169).

Almost surely, 2^56742667718 is an apocalyptic number.

56742667718 is a deficient number, since it is larger than the sum of its proper divisors (38642713690).

56742667718 is a wasteful number, since it uses less digits than its factorization.

56742667718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17768.

The product of its digits is 23708160, while the sum is 59.

The spelling of 56742667718 in words is "fifty-six billion, seven hundred forty-two million, six hundred sixty-seven thousand, seven hundred eighteen".