36973919 has 2 divisors, whose sum is σ = 36973920. Its totient is φ = 36973918.

The previous prime is 36973907. The next prime is 36973921. The reversal of 36973919 is 91937963.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36973919 is a prime.

It is a super-2 number, since 2×36973919² = 2734141372437122, which contains 22 as substring.

Together with 36973921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36973969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18486959 + 18486960.

It is an arithmetic number, because the mean of its divisors is an integer number (18486960).

Almost surely, 2^36973919 is an apocalyptic number.

36973919 is a deficient number, since it is larger than the sum of its proper divisors (1).

36973919 is an equidigital number, since it uses as much as digits as its factorization.

36973919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 275562, while the sum is 47.

The square root of 36973919 is about 6080.6183073763. The cubic root of 36973919 is about 333.1438715553.

The spelling of 36973919 in words is "thirty-six million, nine hundred seventy-three thousand, nine hundred nineteen".