36744973 has 4 divisors (see below), whose sum is σ = 38906460. Its totient is φ = 34583488.

The previous prime is 36744971. The next prime is 36744989. The reversal of 36744973 is 37944763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37944763 = 211 ⋅179833.

It can be written as a sum of positive squares in 2 ways, for example, as 32410249 + 4334724 = 5693^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 36744973 - 2¹ = 36744971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36744971) 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, 1080718 + ... + 1080751.

It is an arithmetic number, because the mean of its divisors is an integer number (9726615).

Almost surely, 2^36744973 is an apocalyptic number.

It is an amenable number.

36744973 is a deficient number, since it is larger than the sum of its proper divisors (2161487).

36744973 is a wasteful number, since it uses less digits than its factorization.

36744973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161486.

The product of its digits is 381024, while the sum is 43.

The square root of 36744973 is about 6061.7631923393. The cubic root of 36744973 is about 332.4548279411.

The spelling of 36744973 in words is "thirty-six million, seven hundred forty-four thousand, nine hundred seventy-three".