37666245 has 8 divisors (see below), whose sum is σ = 60266016. Its totient is φ = 20088656.

The previous prime is 37666229. The next prime is 37666267. The reversal of 37666245 is 54266673.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37666245 - 2⁴ = 37666229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255527 + ... + 1255556.

It is an arithmetic number, because the mean of its divisors is an integer number (7533252).

Almost surely, 2^37666245 is an apocalyptic number.

It is an amenable number.

37666245 is a deficient number, since it is larger than the sum of its proper divisors (22599771).

37666245 is a wasteful number, since it uses less digits than its factorization.

37666245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511091.

The product of its digits is 181440, while the sum is 39.

The square root of 37666245 is about 6137.2831937267. The cubic root of 37666245 is about 335.2103676094.

It can be divided in two parts, 3766 and 6245, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 37666245 in words is "thirty-seven million, six hundred sixty-six thousand, two hundred forty-five".