37427724864 has 448 divisors, whose sum is σ = 119625465600. Its totient is φ = 11438309376.

The previous prime is 37427724857. The next prime is 37427724881. The reversal of 37427724864 is 46842772473.

37427724864 is a `hidden beast` number, since 3 + 74 + 27 + 72 + 486 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 37427724864.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238393074 + ... + 238393230.

Almost surely, 2^37427724864 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 37427724864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59812732800).

37427724864 is an abundant number, since it is smaller than the sum of its proper divisors (82197740736).

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

37427724864 is a wasteful number, since it uses less digits than its factorization.

37427724864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 371 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 54.

The spelling of 37427724864 in words is "thirty-seven billion, four hundred twenty-seven million, seven hundred twenty-four thousand, eight hundred sixty-four".