36997144 has 8 divisors (see below), whose sum is σ = 69369660. Its totient is φ = 18498568.

The previous prime is 36997139. The next prime is 36997193. The reversal of 36997144 is 44179963.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 36997144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312314 + ... + 2312329.

Almost surely, 2^36997144 is an apocalyptic number.

It is an amenable number.

36997144 is a deficient number, since it is larger than the sum of its proper divisors (32372516).

36997144 is a wasteful number, since it uses less digits than its factorization.

36997144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624649 (or 4624645 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 36997144 is about 6082.5277640139. The cubic root of 36997144 is about 333.2136112272.

The spelling of 36997144 in words is "thirty-six million, nine hundred ninety-seven thousand, one hundred forty-four".