36607891 has 2 divisors, whose sum is σ = 36607892. Its totient is φ = 36607890.

The previous prime is 36607873. The next prime is 36607913. The reversal of 36607891 is 19870663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36607891 - 2⁵ = 36607859 is a prime.

It is not a weakly prime, because it can be changed into another prime (36607801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18303945 + 18303946.

It is an arithmetic number, because the mean of its divisors is an integer number (18303946).

Almost surely, 2^36607891 is an apocalyptic number.

36607891 is a deficient number, since it is larger than the sum of its proper divisors (1).

36607891 is an equidigital number, since it uses as much as digits as its factorization.

36607891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 36607891 is about 6050.4455207861. The cubic root of 36607891 is about 332.0408904733.

The spelling of 36607891 in words is "thirty-six million, six hundred seven thousand, eight hundred ninety-one".