37400065 has 4 divisors (see below), whose sum is σ = 44880084. Its totient is φ = 29920048.

The previous prime is 37400039. The next prime is 37400071. The reversal of 37400065 is 56000473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20948929 + 16451136 = 4577^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 37400065 - 2²¹ = 35302913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740002 + ... + 3740011.

It is an arithmetic number, because the mean of its divisors is an integer number (11220021).

Almost surely, 2^37400065 is an apocalyptic number.

It is an amenable number.

37400065 is a deficient number, since it is larger than the sum of its proper divisors (7480019).

37400065 is an equidigital number, since it uses as much as digits as its factorization.

37400065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480018.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 37400065 is about 6115.5592548842. The cubic root of 37400065 is about 334.4188781619.

The spelling of 37400065 in words is "thirty-seven million, four hundred thousand, sixty-five".