72368842 has 48 divisors (see below), whose sum is σ = 136503360. Its totient is φ = 28169856.

The previous prime is 72368831. The next prime is 72368843. The reversal of 72368842 is 24886327.

It is a junction number, because it is equal to n+sod(n) for n = 72368795 and 72368804.

It is not an unprimeable number, because it can be changed into a prime (72368843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172509 + ... + 172927.

It is an arithmetic number, because the mean of its divisors is an integer number (2843820).

Almost surely, 2^72368842 is an apocalyptic number.

72368842 is a deficient number, since it is larger than the sum of its proper divisors (64134518).

72368842 is a wasteful number, since it uses less digits than its factorization.

72368842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 514 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 72368842 is about 8506.9878335401. The cubic root of 72368842 is about 416.7259459837.

The spelling of 72368842 in words is "seventy-two million, three hundred sixty-eight thousand, eight hundred forty-two".