37638968 has 8 divisors (see below), whose sum is σ = 70573080. Its totient is φ = 18819480.

The previous prime is 37638967. The next prime is 37638983. The reversal of 37638968 is 86983673.

37638968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37638967) 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, 2352428 + ... + 2352443.

It is an arithmetic number, because the mean of its divisors is an integer number (8821635).

Almost surely, 2^37638968 is an apocalyptic number.

It is an amenable number.

37638968 is a deficient number, since it is larger than the sum of its proper divisors (32934112).

37638968 is a wasteful number, since it uses less digits than its factorization.

37638968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704877 (or 4704873 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 37638968 is about 6135.0605538984. The cubic root of 37638968 is about 335.1294309399.

The spelling of 37638968 in words is "thirty-seven million, six hundred thirty-eight thousand, nine hundred sixty-eight".