72658486120 has 128 divisors (see below), whose sum is σ = 179768160000. Its totient is φ = 26211041280.

The previous prime is 72658486111. The next prime is 72658486133. The reversal of 72658486120 is 2168485627.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37278906 + ... + 37280854.

It is an arithmetic number, because the mean of its divisors is an integer number (1404438750).

Almost surely, 2^72658486120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72658486120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89884080000).

72658486120 is an abundant number, since it is smaller than the sum of its proper divisors (107109673880).

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

72658486120 is a wasteful number, since it uses less digits than its factorization.

72658486120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 72658486120 in words is "seventy-two billion, six hundred fifty-eight million, four hundred eighty-six thousand, one hundred twenty".