92836721 has 2 divisors, whose sum is σ = 92836722. Its totient is φ = 92836720.

The previous prime is 92836657. The next prime is 92836729. The reversal of 92836721 is 12763829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53949025 + 38887696 = 7345^2 + 6236^2 .

It is a cyclic number.

It is not a de Polignac number, because 92836721 - 2⁶ = 92836657 is a prime.

It is not a weakly prime, because it can be changed into another prime (92836729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46418360 + 46418361.

It is an arithmetic number, because the mean of its divisors is an integer number (46418361).

Almost surely, 2^92836721 is an apocalyptic number.

It is an amenable number.

92836721 is a deficient number, since it is larger than the sum of its proper divisors (1).

92836721 is an equidigital number, since it uses as much as digits as its factorization.

92836721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 92836721 is about 9635.1814201913. The cubic root of 92836721 is about 452.8001870444.

The spelling of 92836721 in words is "ninety-two million, eight hundred thirty-six thousand, seven hundred twenty-one".