37999982 has 4 divisors (see below), whose sum is σ = 56999976. Its totient is φ = 18999990.

The previous prime is 37999957. The next prime is 37999987. The reversal of 37999982 is 28999973.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37999987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9499994 + ... + 9499997.

It is an arithmetic number, because the mean of its divisors is an integer number (14249994).

Almost surely, 2^37999982 is an apocalyptic number.

37999982 is a deficient number, since it is larger than the sum of its proper divisors (18999994).

37999982 is a wasteful number, since it uses less digits than its factorization.

37999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18999993.

The product of its digits is 2204496, while the sum is 56.

The square root of 37999982 is about 6164.4125429760. The cubic root of 37999982 is about 336.1974875961.

Subtracting from 37999982 its reverse (28999973), we obtain a palindrome (9000009).

The spelling of 37999982 in words is "thirty-seven million, nine hundred ninety-nine thousand, nine hundred eighty-two".