37466381 has 2 divisors, whose sum is σ = 37466382. Its totient is φ = 37466380.

The previous prime is 37466339. The next prime is 37466411. The reversal of 37466381 is 18366473.

37466381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 8940100 = 5341^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 37466381 - 2¹⁰ = 37465357 is a prime.

It is a super-2 number, since 2×37466381² = 2807459410474322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37466281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18733190 + 18733191.

It is an arithmetic number, because the mean of its divisors is an integer number (18733191).

Almost surely, 2^37466381 is an apocalyptic number.

It is an amenable number.

37466381 is a deficient number, since it is larger than the sum of its proper divisors (1).

37466381 is an equidigital number, since it uses as much as digits as its factorization.

37466381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 37466381 is about 6120.9787616034. The cubic root of 37466381 is about 334.6164199513.

The spelling of 37466381 in words is "thirty-seven million, four hundred sixty-six thousand, three hundred eighty-one".