64733833 has 2 divisors, whose sum is σ = 64733834. Its totient is φ = 64733832.

The previous prime is 64733821. The next prime is 64733839. The reversal of 64733833 is 33833746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37307664 + 27426169 = 6108^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 64733833 - 2⁹ = 64733321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64733792 and 64733801.

It is not a weakly prime, because it can be changed into another prime (64733839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32366916 + 32366917.

It is an arithmetic number, because the mean of its divisors is an integer number (32366917).

Almost surely, 2^64733833 is an apocalyptic number.

It is an amenable number.

64733833 is a deficient number, since it is larger than the sum of its proper divisors (1).

64733833 is an equidigital number, since it uses as much as digits as its factorization.

64733833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 37.

The square root of 64733833 is about 8045.7338385010. The cubic root of 64733833 is about 401.5230124727.

The spelling of 64733833 in words is "sixty-four million, seven hundred thirty-three thousand, eight hundred thirty-three".