37690442 has 4 divisors (see below), whose sum is σ = 56535666. Its totient is φ = 18845220.

The previous prime is 37690441. The next prime is 37690447. The reversal of 37690442 is 24409673.

37690442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 33884041 + 3806401 = 5821^2 + 1951^2 .

It is not an unprimeable number, because it can be changed into a prime (37690441) 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, 9422609 + ... + 9422612.

Almost surely, 2^37690442 is an apocalyptic number.

37690442 is a deficient number, since it is larger than the sum of its proper divisors (18845224).

37690442 is a wasteful number, since it uses less digits than its factorization.

37690442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18845223.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 37690442 is about 6139.2541892318. The cubic root of 37690442 is about 335.2821325633.

The spelling of 37690442 in words is "thirty-seven million, six hundred ninety thousand, four hundred forty-two".