72369863 has 2 divisors, whose sum is σ = 72369864. Its totient is φ = 72369862.

The previous prime is 72369859. The next prime is 72369887. The reversal of 72369863 is 36896327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72369863 - 2² = 72369859 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72369853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36184931 + 36184932.

It is an arithmetic number, because the mean of its divisors is an integer number (36184932).

Almost surely, 2^72369863 is an apocalyptic number.

72369863 is a deficient number, since it is larger than the sum of its proper divisors (1).

72369863 is an equidigital number, since it uses as much as digits as its factorization.

72369863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 72369863 is about 8507.0478428183. The cubic root of 72369863 is about 416.7279057368.

The spelling of 72369863 in words is "seventy-two million, three hundred sixty-nine thousand, eight hundred sixty-three".