64383673 has 2 divisors, whose sum is σ = 64383674. Its totient is φ = 64383672.

The previous prime is 64383667. The next prime is 64383701. The reversal of 64383673 is 37638346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 19386409 = 6708^2 + 4403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64383673 is a prime.

It is not a weakly prime, because it can be changed into another prime (64383643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32191836 + 32191837.

It is an arithmetic number, because the mean of its divisors is an integer number (32191837).

Almost surely, 2^64383673 is an apocalyptic number.

It is an amenable number.

64383673 is a deficient number, since it is larger than the sum of its proper divisors (1).

64383673 is an equidigital number, since it uses as much as digits as its factorization.

64383673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 64383673 is about 8023.9437311088. The cubic root of 64383673 is about 400.7977267724.

It can be divided in two parts, 64383 and 673, that added together give a palindrome (65056).

The spelling of 64383673 in words is "sixty-four million, three hundred eighty-three thousand, six hundred seventy-three".