37666012 has 12 divisors (see below), whose sum is σ = 68188680. Its totient is φ = 18183536.

The previous prime is 37666009. The next prime is 37666021. The reversal of 37666012 is 21066673.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162238 + ... + 162469.

It is an arithmetic number, because the mean of its divisors is an integer number (5682390).

Almost surely, 2^37666012 is an apocalyptic number.

It is an amenable number.

37666012 is a deficient number, since it is larger than the sum of its proper divisors (30522668).

37666012 is a wasteful number, since it uses less digits than its factorization.

37666012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324740 (or 324738 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 37666012 is about 6137.2642113567. The cubic root of 37666012 is about 335.2096764142.

The spelling of 37666012 in words is "thirty-seven million, six hundred sixty-six thousand, twelve".