37342009 has 2 divisors, whose sum is σ = 37342010. Its totient is φ = 37342008.

The previous prime is 37342007. The next prime is 37342027. The reversal of 37342009 is 90024373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 12938409 = 4940^2 + 3597^2 .

It is a cyclic number.

It is not a de Polignac number, because 37342009 - 2¹ = 37342007 is a prime.

Together with 37342007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (37342007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18671004 + 18671005.

It is an arithmetic number, because the mean of its divisors is an integer number (18671005).

Almost surely, 2^37342009 is an apocalyptic number.

It is an amenable number.

37342009 is a deficient number, since it is larger than the sum of its proper divisors (1).

37342009 is an equidigital number, since it uses as much as digits as its factorization.

37342009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 37342009 is about 6110.8108299963. The cubic root of 37342009 is about 334.2457494340.

The spelling of 37342009 in words is "thirty-seven million, three hundred forty-two thousand, nine".