37668212 has 6 divisors (see below), whose sum is σ = 65919378. Its totient is φ = 18834104.

The previous prime is 37668199. The next prime is 37668221. The reversal of 37668212 is 21286673.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37503376 + 164836 = 6124^2 + 406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4708523 + ... + 4708530.

It is an arithmetic number, because the mean of its divisors is an integer number (10986563).

Almost surely, 2^37668212 is an apocalyptic number.

It is an amenable number.

37668212 is a deficient number, since it is larger than the sum of its proper divisors (28251166).

37668212 is a wasteful number, since it uses less digits than its factorization.

37668212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417057 (or 9417055 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 37668212 is about 6137.4434416946. The cubic root of 37668212 is about 335.2162026067.

The spelling of 37668212 in words is "thirty-seven million, six hundred sixty-eight thousand, two hundred twelve".