64392733 has 2 divisors, whose sum is σ = 64392734. Its totient is φ = 64392732.

The previous prime is 64392703. The next prime is 64392737. The reversal of 64392733 is 33729346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49042009 + 15350724 = 7003^2 + 3918^2 .

It is a cyclic number.

It is not a de Polignac number, because 64392733 - 2²¹ = 62295581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64392692 and 64392701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64392737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32196366 + 32196367.

It is an arithmetic number, because the mean of its divisors is an integer number (32196367).

Almost surely, 2^64392733 is an apocalyptic number.

It is an amenable number.

64392733 is a deficient number, since it is larger than the sum of its proper divisors (1).

64392733 is an equidigital number, since it uses as much as digits as its factorization.

64392733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 64392733 is about 8024.5082715391. The cubic root of 64392733 is about 400.8165258298.

The spelling of 64392733 in words is "sixty-four million, three hundred ninety-two thousand, seven hundred thirty-three".