37994144 has 12 divisors (see below), whose sum is σ = 74801034. Its totient is φ = 18997056.

The previous prime is 37994141. The next prime is 37994149. The reversal of 37994144 is 44149973.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 15904144 = 4700^2 + 3988^2 .

It is not an unprimeable number, because it can be changed into a prime (37994141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593627 + ... + 593690.

Almost surely, 2^37994144 is an apocalyptic number.

It is an amenable number.

37994144 is a deficient number, since it is larger than the sum of its proper divisors (36806890).

37994144 is a wasteful number, since it uses less digits than its factorization.

37994144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187327 (or 1187319 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 37994144 is about 6163.9390003471. The cubic root of 37994144 is about 336.1802698559.

The spelling of 37994144 in words is "thirty-seven million, nine hundred ninety-four thousand, one hundred forty-four".