36894973 has 2 divisors, whose sum is σ = 36894974. Its totient is φ = 36894972.

The previous prime is 36894961. The next prime is 36894983. The reversal of 36894973 is 37949863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25786084 + 11108889 = 5078^2 + 3333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36894973 is a prime.

It is a super-2 number, since 2×36894973² = 2722478065341458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36894983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18447486 + 18447487.

It is an arithmetic number, because the mean of its divisors is an integer number (18447487).

Almost surely, 2^36894973 is an apocalyptic number.

It is an amenable number.

36894973 is a deficient number, since it is larger than the sum of its proper divisors (1).

36894973 is an equidigital number, since it uses as much as digits as its factorization.

36894973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 36894973 is about 6074.1232289113. The cubic root of 36894973 is about 332.9065951389.

The spelling of 36894973 in words is "thirty-six million, eight hundred ninety-four thousand, nine hundred seventy-three".