37665142272 has 60 divisors (see below), whose sum is σ = 108704164140. Its totient is φ = 12555045888.

The previous prime is 37665142267. The next prime is 37665142297. The reversal of 37665142272 is 27224156673.

37665142272 is a `hidden beast` number, since 3 + 7 + 66 + 514 + 2 + 2 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4082322 + ... + 4091537.

It is an arithmetic number, because the mean of its divisors is an integer number (1811736069).

Almost surely, 2^37665142272 is an apocalyptic number.

37665142272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

37665142272 is an abundant number, since it is smaller than the sum of its proper divisors (71039021868).

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

37665142272 is an equidigital number, since it uses as much as digits as its factorization.

37665142272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173883 (or 8173864 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 37665142272 in words is "thirty-seven billion, six hundred sixty-five million, one hundred forty-two thousand, two hundred seventy-two".