37444818 has 16 divisors (see below), whose sum is σ = 76303296. Its totient is φ = 12246000.

The previous prime is 37444817. The next prime is 37444819. The reversal of 37444818 is 81844473.

It is an interprime number because it is at equal distance from previous prime (37444817) and next prime (37444819).

It is a super-2 number, since 2×37444818² = 2804228790106248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37444811) 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, 58558 + ... + 59193.

It is an arithmetic number, because the mean of its divisors is an integer number (4768956).

Almost surely, 2^37444818 is an apocalyptic number.

37444818 is an abundant number, since it is smaller than the sum of its proper divisors (38858478).

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

37444818 is a wasteful number, since it uses less digits than its factorization.

37444818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117809.

The product of its digits is 86016, while the sum is 39.

The square root of 37444818 is about 6119.2171067874. The cubic root of 37444818 is about 334.5522137810.

The spelling of 37444818 in words is "thirty-seven million, four hundred forty-four thousand, eight hundred eighteen".