37664941 has 2 divisors, whose sum is σ = 37664942. Its totient is φ = 37664940.

The previous prime is 37664867. The next prime is 37664953. The reversal of 37664941 is 14946673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 17189316 = 4525^2 + 4146^2 .

It is a cyclic number.

It is not a de Polignac number, because 37664941 - 2²¹ = 35567789 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 37664894 and 37664903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37664971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18832470 + 18832471.

It is an arithmetic number, because the mean of its divisors is an integer number (18832471).

Almost surely, 2^37664941 is an apocalyptic number.

It is an amenable number.

37664941 is a deficient number, since it is larger than the sum of its proper divisors (1).

37664941 is an equidigital number, since it uses as much as digits as its factorization.

37664941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 37664941 is about 6137.1769568752. The cubic root of 37664941 is about 335.2064992531.

The spelling of 37664941 in words is "thirty-seven million, six hundred sixty-four thousand, nine hundred forty-one".