37664061 has 32 divisors (see below), whose sum is σ = 57231360. Its totient is φ = 21885696.

The previous prime is 37664059. The next prime is 37664063. The reversal of 37664061 is 16046673.

It is an interprime number because it is at equal distance from previous prime (37664059) and next prime (37664063).

It is not a de Polignac number, because 37664061 - 2¹ = 37664059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37664063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45130 + ... + 45956.

It is an arithmetic number, because the mean of its divisors is an integer number (1788480).

Almost surely, 2^37664061 is an apocalyptic number.

It is an amenable number.

37664061 is a deficient number, since it is larger than the sum of its proper divisors (19567299).

37664061 is a wasteful number, since it uses less digits than its factorization.

37664061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 37664061 is about 6137.1052622552. The cubic root of 37664061 is about 335.2038886555.

The spelling of 37664061 in words is "thirty-seven million, six hundred sixty-four thousand, sixty-one".