37718322872 has 32 divisors (see below), whose sum is σ = 75705840000. Its totient is φ = 17563746528.

The previous prime is 37718322823. The next prime is 37718322893. The reversal of 37718322872 is 27822381773.

It is a self number, because there is not a number n which added to its sum of digits gives 37718322872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093972 + ... + 2111907.

It is an arithmetic number, because the mean of its divisors is an integer number (2365807500).

Almost surely, 2^37718322872 is an apocalyptic number.

It is an amenable number.

37718322872 is an abundant number, since it is smaller than the sum of its proper divisors (37987517128).

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

37718322872 is a wasteful number, since it uses less digits than its factorization.

37718322872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205963 (or 4205959 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 50.

The spelling of 37718322872 in words is "thirty-seven billion, seven hundred eighteen million, three hundred twenty-two thousand, eight hundred seventy-two".