37348621 has 2 divisors, whose sum is σ = 37348622. Its totient is φ = 37348620.

The previous prime is 37348601. The next prime is 37348631. The reversal of 37348621 is 12684373.

It is a happy number.

37348621 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., 29311396 + 8037225 = 5414^2 + 2835^2 .

It is a cyclic number.

It is not a de Polignac number, because 37348621 - 2¹⁵ = 37315853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37348601) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18674310 + 18674311.

It is an arithmetic number, because the mean of its divisors is an integer number (18674311).

Almost surely, 2^37348621 is an apocalyptic number.

It is an amenable number.

37348621 is a deficient number, since it is larger than the sum of its proper divisors (1).

37348621 is an equidigital number, since it uses as much as digits as its factorization.

37348621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 37348621 is about 6111.3518144515. The cubic root of 37348621 is about 334.2654761219.

The spelling of 37348621 in words is "thirty-seven million, three hundred forty-eight thousand, six hundred twenty-one".