37999968 has 48 divisors (see below), whose sum is σ = 100180080. Its totient is φ = 12612096.

The previous prime is 37999957. The next prime is 37999987. The reversal of 37999968 is 86999973.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25878 + ... + 27306.

It is an arithmetic number, because the mean of its divisors is an integer number (2087085).

Almost surely, 2^37999968 is an apocalyptic number.

It is an amenable number.

37999968 is an abundant number, since it is smaller than the sum of its proper divisors (62180112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37999968 is a wasteful number, since it uses less digits than its factorization.

37999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1711 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 60.

The square root of 37999968 is about 6164.4114074257. The cubic root of 37999968 is about 336.1974463086.

The spelling of 37999968 in words is "thirty-seven million, nine hundred ninety-nine thousand, nine hundred sixty-eight".