37380641 has 2 divisors, whose sum is σ = 37380642. Its totient is φ = 37380640.

The previous prime is 37380613. The next prime is 37380649. The reversal of 37380641 is 14608373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28047616 + 9333025 = 5296^2 + 3055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37380641 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37380598 and 37380607.

It is not a weakly prime, because it can be changed into another prime (37380649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18690320 + 18690321.

It is an arithmetic number, because the mean of its divisors is an integer number (18690321).

Almost surely, 2^37380641 is an apocalyptic number.

It is an amenable number.

37380641 is a deficient number, since it is larger than the sum of its proper divisors (1).

37380641 is an equidigital number, since it uses as much as digits as its factorization.

37380641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 37380641 is about 6113.9709682006. The cubic root of 37380641 is about 334.3609738315.

The spelling of 37380641 in words is "thirty-seven million, three hundred eighty thousand, six hundred forty-one".