37999012 has 24 divisors (see below), whose sum is σ = 74118240. Its totient is φ = 16940160.

The previous prime is 37999007. The next prime is 37999021. The reversal of 37999012 is 21099973.

It is a super-2 number, since 2×37999012² = 2887849825952288, which contains 22 as substring.

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, 13414 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (3088260).

Almost surely, 2^37999012 is an apocalyptic number.

It is an amenable number.

37999012 is a deficient number, since it is larger than the sum of its proper divisors (36119228).

37999012 is a wasteful number, since it uses less digits than its factorization.

37999012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29451 (or 29449 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 37999012 is about 6164.3338650660. Note that the first 3 decimals coincide. The cubic root of 37999012 is about 336.1946269426.

The spelling of 37999012 in words is "thirty-seven million, nine hundred ninety-nine thousand, twelve".