37666036 has 12 divisors (see below), whose sum is σ = 66996580. Its totient is φ = 18524160.

The previous prime is 37666021. The next prime is 37666039. The reversal of 37666036 is 63066673.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 32558436 = 2260^2 + 5706^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 37665986 and 37666004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37666039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76941 + ... + 77428.

Almost surely, 2^37666036 is an apocalyptic number.

It is an amenable number.

37666036 is a deficient number, since it is larger than the sum of its proper divisors (29330544).

37666036 is a wasteful number, since it uses less digits than its factorization.

37666036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154434 (or 154432 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 37666036 is about 6137.2661666250. The cubic root of 37666036 is about 335.2097476104.

The spelling of 37666036 in words is "thirty-seven million, six hundred sixty-six thousand, thirty-six".