73864663 has 2 divisors, whose sum is σ = 73864664. Its totient is φ = 73864662.

The previous prime is 73864649. The next prime is 73864667. The reversal of 73864663 is 36646837.

It is a strong prime.

It is an emirp because it is prime and its reverse (36646837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73864663 - 2⁹ = 73864151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73864667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36932331 + 36932332.

It is an arithmetic number, because the mean of its divisors is an integer number (36932332).

Almost surely, 2^73864663 is an apocalyptic number.

73864663 is a deficient number, since it is larger than the sum of its proper divisors (1).

73864663 is an equidigital number, since it uses as much as digits as its factorization.

73864663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 73864663 is about 8594.4553637796. The cubic root of 73864663 is about 419.5775476346.

The spelling of 73864663 in words is "seventy-three million, eight hundred sixty-four thousand, six hundred sixty-three".