72348461220 has 48 divisors (see below), whose sum is σ = 231515077248. Its totient is φ = 16536791040.

The previous prime is 72348461177. The next prime is 72348461249. The reversal of 72348461220 is 2216484327.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86128701 + ... + 86129540.

It is an arithmetic number, because the mean of its divisors is an integer number (4823230776).

Almost surely, 2^72348461220 is an apocalyptic number.

72348461220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72348461220 is an abundant number, since it is smaller than the sum of its proper divisors (159166616028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72348461220 is a wasteful number, since it uses less digits than its factorization.

72348461220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172258260 (or 172258258 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 72348461220 in words is "seventy-two billion, three hundred forty-eight million, four hundred sixty-one thousand, two hundred twenty".