64472633 has 2 divisors, whose sum is σ = 64472634. Its totient is φ = 64472632.

The previous prime is 64472587. The next prime is 64472641. The reversal of 64472633 is 33627446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64128064 + 344569 = 8008^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 64472633 - 2²⁰ = 63424057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64472593 and 64472602.

It is not a weakly prime, because it can be changed into another prime (64472333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32236316 + 32236317.

It is an arithmetic number, because the mean of its divisors is an integer number (32236317).

Almost surely, 2^64472633 is an apocalyptic number.

It is an amenable number.

64472633 is a deficient number, since it is larger than the sum of its proper divisors (1).

64472633 is an equidigital number, since it uses as much as digits as its factorization.

64472633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 64472633 is about 8029.4852263392. The cubic root of 64472633 is about 400.9822381297.

The spelling of 64472633 in words is "sixty-four million, four hundred seventy-two thousand, six hundred thirty-three".