37806990919272 has 160 divisors (see below), whose sum is σ = 105994330548480. Its totient is φ = 12590465765760.

The previous prime is 37806990919267. The next prime is 37806990919277. The reversal of 37806990919272 is 27291909960873.

37806990919272 is a `hidden beast` number, since 378 + 0 + 69 + 9 + 0 + 9 + 192 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (37806990919267) and next prime (37806990919277).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 37806990919272.

It is not an unprimeable number, because it can be changed into a prime (37806990919277) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3731070718 + ... + 3731080850.

It is an arithmetic number, because the mean of its divisors is an integer number (662464565928).

Almost surely, 2^{37806990919272} is an apocalyptic number.

It is an amenable number.

37806990919272 is an abundant number, since it is smaller than the sum of its proper divisors (68187339629208).

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

37806990919272 is a wasteful number, since it uses less digits than its factorization.

37806990919272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005 (or 14992 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 72.

The spelling of 37806990919272 in words is "thirty-seven trillion, eight hundred six billion, nine hundred ninety million, nine hundred nineteen thousand, two hundred seventy-two".