37744073 has 2 divisors, whose sum is σ = 37744074. Its totient is φ = 37744072.

The previous prime is 37744061. The next prime is 37744103. The reversal of 37744073 is 37044773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 15578809 = 4708^2 + 3947^2 .

It is an emirp because it is prime and its reverse (37044773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37744073 - 2⁸ = 37743817 is a prime.

It is not a weakly prime, because it can be changed into another prime (37744673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18872036 + 18872037.

It is an arithmetic number, because the mean of its divisors is an integer number (18872037).

Almost surely, 2^37744073 is an apocalyptic number.

It is an amenable number.

37744073 is a deficient number, since it is larger than the sum of its proper divisors (1).

37744073 is an equidigital number, since it uses as much as digits as its factorization.

37744073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 37744073 is about 6143.6205123689. The cubic root of 37744073 is about 335.4410852757.

The spelling of 37744073 in words is "thirty-seven million, seven hundred forty-four thousand, seventy-three".