64183673 has 2 divisors, whose sum is σ = 64183674. Its totient is φ = 64183672.

The previous prime is 64183657. The next prime is 64183697. The reversal of 64183673 is 37638146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37112464 + 27071209 = 6092^2 + 5203^2 .

It is a cyclic number.

It is not a de Polignac number, because 64183673 - 2⁴ = 64183657 is a prime.

It is not a weakly prime, because it can be changed into another prime (64180673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32091836 + 32091837.

It is an arithmetic number, because the mean of its divisors is an integer number (32091837).

Almost surely, 2^64183673 is an apocalyptic number.

It is an amenable number.

64183673 is a deficient number, since it is larger than the sum of its proper divisors (1).

64183673 is an equidigital number, since it uses as much as digits as its factorization.

64183673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 64183673 is about 8011.4713380252. The cubic root of 64183673 is about 400.3822866093.

The spelling of 64183673 in words is "sixty-four million, one hundred eighty-three thousand, six hundred seventy-three".