36845729 has 2 divisors, whose sum is σ = 36845730. Its totient is φ = 36845728.

The previous prime is 36845723. The next prime is 36845813. The reversal of 36845729 is 92754863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36784225 + 61504 = 6065^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 36845729 - 2¹⁶ = 36780193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36845729.

It is not a weakly prime, because it can be changed into another prime (36845723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18422864 + 18422865.

It is an arithmetic number, because the mean of its divisors is an integer number (18422865).

Almost surely, 2^36845729 is an apocalyptic number.

It is an amenable number.

36845729 is a deficient number, since it is larger than the sum of its proper divisors (1).

36845729 is an equidigital number, since it uses as much as digits as its factorization.

36845729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 36845729 is about 6070.0682862716. The cubic root of 36845729 is about 332.7584182101.

The spelling of 36845729 in words is "thirty-six million, eight hundred forty-five thousand, seven hundred twenty-nine".