37668742 has 8 divisors (see below), whose sum is σ = 56532600. Its totient is φ = 18824544.

The previous prime is 37668721. The next prime is 37668749. The reversal of 37668742 is 24786673.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37668749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609 + ... + 8827.

It is an arithmetic number, because the mean of its divisors is an integer number (7066575).

Almost surely, 2^37668742 is an apocalyptic number.

37668742 is a deficient number, since it is larger than the sum of its proper divisors (18863858).

37668742 is a wasteful number, since it uses less digits than its factorization.

37668742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830.

The product of its digits is 338688, while the sum is 43.

The square root of 37668742 is about 6137.4866191300. The cubic root of 37668742 is about 335.2177747878.

The spelling of 37668742 in words is "thirty-seven million, six hundred sixty-eight thousand, seven hundred forty-two".