37064664 has 96 divisors (see below), whose sum is σ = 123570720. Its totient is φ = 9773568.

The previous prime is 37064663. The next prime is 37064681. The reversal of 37064664 is 46646073.

37064664 is a `hidden beast` number, since 3 + 7 + 0 + 646 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37064663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3724 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (1287195).

Almost surely, 2^37064664 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 37064664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61785360).

37064664 is an abundant number, since it is smaller than the sum of its proper divisors (86506056).

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

37064664 is a wasteful number, since it uses less digits than its factorization.

37064664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 37064664 is about 6088.0755580068. The cubic root of 37064664 is about 333.4161936230.

The spelling of 37064664 in words is "thirty-seven million, sixty-four thousand, six hundred sixty-four".