72859459 has 2 divisors, whose sum is σ = 72859460. Its totient is φ = 72859458.

The previous prime is 72859453. The next prime is 72859487. The reversal of 72859459 is 95495827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72859459 - 2⁵ = 72859427 is a prime.

It is not a weakly prime, because it can be changed into another prime (72859453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36429729 + 36429730.

It is an arithmetic number, because the mean of its divisors is an integer number (36429730).

Almost surely, 2^72859459 is an apocalyptic number.

72859459 is a deficient number, since it is larger than the sum of its proper divisors (1).

72859459 is an equidigital number, since it uses as much as digits as its factorization.

72859459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 49.

The square root of 72859459 is about 8535.7752430579. The cubic root of 72859459 is about 417.6655425370.

The spelling of 72859459 in words is "seventy-two million, eight hundred fifty-nine thousand, four hundred fifty-nine".