37649766794672 has 160 divisors (see below), whose sum is σ = 76479835352256. Its totient is φ = 17939703398400.

The previous prime is 37649766794609. The next prime is 37649766794741. The reversal of 37649766794672 is 27649766794673.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10784806847 + ... + 10784810337.

Almost surely, 2^{37649766794672} is an apocalyptic number.

It is an amenable number.

37649766794672 is an abundant number, since it is smaller than the sum of its proper divisors (38830068557584).

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

37649766794672 is a wasteful number, since it uses less digits than its factorization.

37649766794672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719 (or 5713 counting only the distinct ones).

The product of its digits is 24196548096, while the sum is 83.

Subtracting from 37649766794672 its reverse (27649766794673), we obtain a palindrome (9999999999999).

The spelling of 37649766794672 in words is "thirty-seven trillion, six hundred forty-nine billion, seven hundred sixty-six million, seven hundred ninety-four thousand, six hundred seventy-two".