72368851 has 2 divisors, whose sum is σ = 72368852. Its totient is φ = 72368850.

The previous prime is 72368843. The next prime is 72368873. The reversal of 72368851 is 15886327.

It is a weak prime.

It is an emirp because it is prime and its reverse (15886327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72368851 - 2³ = 72368843 is a prime.

It is not a weakly prime, because it can be changed into another prime (72368831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36184425 + 36184426.

It is an arithmetic number, because the mean of its divisors is an integer number (36184426).

Almost surely, 2^72368851 is an apocalyptic number.

72368851 is a deficient number, since it is larger than the sum of its proper divisors (1).

72368851 is an equidigital number, since it uses as much as digits as its factorization.

72368851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 72368851 is about 8506.9883625170. The cubic root of 72368851 is about 416.7259632588.

The spelling of 72368851 in words is "seventy-two million, three hundred sixty-eight thousand, eight hundred fifty-one".