73289863 has 2 divisors, whose sum is σ = 73289864. Its totient is φ = 73289862.

The previous prime is 73289851. The next prime is 73289869. The reversal of 73289863 is 36898237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73289863 - 2²⁵ = 39735431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73289869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36644931 + 36644932.

It is an arithmetic number, because the mean of its divisors is an integer number (36644932).

Almost surely, 2^73289863 is an apocalyptic number.

73289863 is a deficient number, since it is larger than the sum of its proper divisors (1).

73289863 is an equidigital number, since it uses as much as digits as its factorization.

73289863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 73289863 is about 8560.9498888850. The cubic root of 73289863 is about 418.4863561215.

The spelling of 73289863 in words is "seventy-three million, two hundred eighty-nine thousand, eight hundred sixty-three".