72587863 has 2 divisors, whose sum is σ = 72587864. Its totient is φ = 72587862.

The previous prime is 72587857. The next prime is 72587869. The reversal of 72587863 is 36878527.

It is a balanced prime because it is at equal distance from previous prime (72587857) and next prime (72587869).

It is a cyclic number.

It is not a de Polignac number, because 72587863 - 2²⁵ = 39033431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72587869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36293931 + 36293932.

It is an arithmetic number, because the mean of its divisors is an integer number (36293932).

Almost surely, 2^72587863 is an apocalyptic number.

72587863 is a deficient number, since it is larger than the sum of its proper divisors (1).

72587863 is an equidigital number, since it uses as much as digits as its factorization.

72587863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 72587863 is about 8519.8511137226. The cubic root of 72587863 is about 417.1459232779.

It can be divided in two parts, 725 and 87863, that added together give a palindrome (88588).

The spelling of 72587863 in words is "seventy-two million, five hundred eighty-seven thousand, eight hundred sixty-three".