72146468356 has 24 divisors (see below), whose sum is σ = 132783114240. Its totient is φ = 34233135552.

The previous prime is 72146468341. The next prime is 72146468377. The reversal of 72146468356 is 65386464127.

It is a super-2 number, since 2×72146468356² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075721 + ... + 3099088.

It is an arithmetic number, because the mean of its divisors is an integer number (5532629760).

Almost surely, 2^72146468356 is an apocalyptic number.

It is an amenable number.

72146468356 is a deficient number, since it is larger than the sum of its proper divisors (60636645884).

72146468356 is a wasteful number, since it uses less digits than its factorization.

72146468356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174963 (or 6174961 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The spelling of 72146468356 in words is "seventy-two billion, one hundred forty-six million, four hundred sixty-eight thousand, three hundred fifty-six".