36972733667 has 2 divisors, whose sum is σ = 36972733668. Its totient is φ = 36972733666.

The previous prime is 36972733661. The next prime is 36972733711. The reversal of 36972733667 is 76633727963.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36972733667 - 2⁸ = 36972733411 is a prime.

It is not a weakly prime, because it can be changed into another prime (36972733661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18486366833 + 18486366834.

It is an arithmetic number, because the mean of its divisors is an integer number (18486366834).

Almost surely, 2^36972733667 is an apocalyptic number.

36972733667 is a deficient number, since it is larger than the sum of its proper divisors (1).

36972733667 is an equidigital number, since it uses as much as digits as its factorization.

36972733667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36006768, while the sum is 59.

The spelling of 36972733667 in words is "thirty-six billion, nine hundred seventy-two million, seven hundred thirty-three thousand, six hundred sixty-seven".