72346159 has 2 divisors, whose sum is σ = 72346160. Its totient is φ = 72346158.

The previous prime is 72346151. The next prime is 72346187. The reversal of 72346159 is 95164327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72346159 - 2³ = 72346151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72346151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36173079 + 36173080.

It is an arithmetic number, because the mean of its divisors is an integer number (36173080).

Almost surely, 2^72346159 is an apocalyptic number.

72346159 is a deficient number, since it is larger than the sum of its proper divisors (1).

72346159 is an equidigital number, since it uses as much as digits as its factorization.

72346159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 72346159 is about 8505.6545309576. The cubic root of 72346159 is about 416.6824024635.

The spelling of 72346159 in words is "seventy-two million, three hundred forty-six thousand, one hundred fifty-nine".