37668009 has 16 divisors (see below), whose sum is σ = 51517440. Its totient is φ = 24470160.

The previous prime is 37667999. The next prime is 37668011. The reversal of 37668009 is 90086673.

37668009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37668009 - 2⁵ = 37667977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37668509) 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 15 ways as a sum of consecutive naturals, for example, 43422 + ... + 44280.

It is an arithmetic number, because the mean of its divisors is an integer number (3219840).

Almost surely, 2^37668009 is an apocalyptic number.

It is an amenable number.

37668009 is a deficient number, since it is larger than the sum of its proper divisors (13849431).

37668009 is a wasteful number, since it uses less digits than its factorization.

37668009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 37668009 is about 6137.4269038417. The cubic root of 37668009 is about 335.2156004278.

The spelling of 37668009 in words is "thirty-seven million, six hundred sixty-eight thousand, nine".