37842172 has 6 divisors (see below), whose sum is σ = 66223808. Its totient is φ = 18921084.

The previous prime is 37842163. The next prime is 37842173. The reversal of 37842172 is 27124873.

37842172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37842173) 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, 4730268 + ... + 4730275.

Almost surely, 2^37842172 is an apocalyptic number.

It is an amenable number.

37842172 is a deficient number, since it is larger than the sum of its proper divisors (28381636).

37842172 is a wasteful number, since it uses less digits than its factorization.

37842172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460547 (or 9460545 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 37842172 is about 6151.5991416867. The cubic root of 37842172 is about 335.7314440432.

The spelling of 37842172 in words is "thirty-seven million, eight hundred forty-two thousand, one hundred seventy-two".