37390009 has 4 divisors (see below), whose sum is σ = 37580004. Its totient is φ = 37200016.

The previous prime is 37389997. The next prime is 37390039. The reversal of 37390009 is 90009373.

37390009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 18275625 + 19114384 = 4275^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 37390009 - 2¹⁷ = 37258937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37390039) 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 in 3 ways as a sum of consecutive naturals, for example, 94702 + ... + 95095.

It is an arithmetic number, because the mean of its divisors is an integer number (9395001).

Almost surely, 2^37390009 is an apocalyptic number.

It is an amenable number.

37390009 is a deficient number, since it is larger than the sum of its proper divisors (189995).

37390009 is a wasteful number, since it uses less digits than its factorization.

37390009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189994.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 37390009 is about 6114.7370344112. The cubic root of 37390009 is about 334.3889030118.

The spelling of 37390009 in words is "thirty-seven million, three hundred ninety thousand, nine".