36993437 has 8 divisors (see below), whose sum is σ = 41936160. Its totient is φ = 32350320.

The previous prime is 36993433. The next prime is 36993443. The reversal of 36993437 is 73439963.

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

It is a cyclic number.

It is not a de Polignac number, because 36993437 - 2² = 36993433 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36993433) 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, 74639 + ... + 75132.

It is an arithmetic number, because the mean of its divisors is an integer number (5242020).

Almost surely, 2^36993437 is an apocalyptic number.

It is an amenable number.

36993437 is a deficient number, since it is larger than the sum of its proper divisors (4942723).

36993437 is a wasteful number, since it uses less digits than its factorization.

36993437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149803.

The product of its digits is 367416, while the sum is 44.

The square root of 36993437 is about 6082.2230310964. The cubic root of 36993437 is about 333.2024818626.

The spelling of 36993437 in words is "thirty-six million, nine hundred ninety-three thousand, four hundred thirty-seven".