37406009 has 2 divisors, whose sum is σ = 37406010. Its totient is φ = 37406008.

The previous prime is 37405999. The next prime is 37406011. The reversal of 37406009 is 90060473.

37406009 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., 25351225 + 12054784 = 5035^2 + 3472^2 .

It is an emirp because it is prime and its reverse (90060473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37406009 is a prime.

Together with 37406011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37406029) 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, 18703004 + 18703005.

It is an arithmetic number, because the mean of its divisors is an integer number (18703005).

Almost surely, 2^37406009 is an apocalyptic number.

It is an amenable number.

37406009 is a deficient number, since it is larger than the sum of its proper divisors (1).

37406009 is an equidigital number, since it uses as much as digits as its factorization.

37406009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 37406009 is about 6116.0452091200. The cubic root of 37406009 is about 334.4365936437.

The spelling of 37406009 in words is "thirty-seven million, four hundred six thousand, nine".