37913982 has 16 divisors (see below), whose sum is σ = 79125120. Its totient is φ = 12088472.

The previous prime is 37913977. The next prime is 37913983. The reversal of 37913982 is 28931973.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37913983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137232 + ... + 137507.

It is an arithmetic number, because the mean of its divisors is an integer number (4945320).

Almost surely, 2^37913982 is an apocalyptic number.

37913982 is an abundant number, since it is smaller than the sum of its proper divisors (41211138).

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

37913982 is a wasteful number, since it uses less digits than its factorization.

37913982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274767.

The product of its digits is 81648, while the sum is 42.

The square root of 37913982 is about 6157.4330690638. The cubic root of 37913982 is about 335.9436732394.

Subtracting from 37913982 its reverse (28931973), we obtain a square (8982009 = 2997²).

The spelling of 37913982 in words is "thirty-seven million, nine hundred thirteen thousand, nine hundred eighty-two".