37971131904 has 240 divisors, whose sum is σ = 115085290320. Its totient is φ = 12035358720.

The previous prime is 37971131873. The next prime is 37971131923. The reversal of 37971131904 is 40913117973.

It is a self number, because there is not a number n which added to its sum of digits gives 37971131904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8951224 + ... + 8955464.

It is an arithmetic number, because the mean of its divisors is an integer number (479522043).

Almost surely, 2^37971131904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37971131904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57542645160).

37971131904 is an abundant number, since it is smaller than the sum of its proper divisors (77114158416).

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

37971131904 is a wasteful number, since it uses less digits than its factorization.

37971131904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 37971131904 in words is "thirty-seven billion, nine hundred seventy-one million, one hundred thirty-one thousand, nine hundred four".