36641447 has 2 divisors, whose sum is σ = 36641448. Its totient is φ = 36641446.

The previous prime is 36641441. The next prime is 36641489. The reversal of 36641447 is 74414663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36641447 - 2⁴ = 36641431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36641441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18320723 + 18320724.

It is an arithmetic number, because the mean of its divisors is an integer number (18320724).

Almost surely, 2^36641447 is an apocalyptic number.

36641447 is a deficient number, since it is larger than the sum of its proper divisors (1).

36641447 is an equidigital number, since it uses as much as digits as its factorization.

36641447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 36641447 is about 6053.2179045529. The cubic root of 36641447 is about 332.1423127003.

The spelling of 36641447 in words is "thirty-six million, six hundred forty-one thousand, four hundred forty-seven".