72867183860 has 48 divisors (see below), whose sum is σ = 161743391040. Its totient is φ = 27498216960.

The previous prime is 72867183859. The next prime is 72867183901. The reversal of 72867183860 is 6838176827.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72867183796 and 72867183805.

It is a congruent 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, 306254 + ... + 489413.

It is an arithmetic number, because the mean of its divisors is an integer number (3369653980).

Almost surely, 2^72867183860 is an apocalyptic number.

It is an amenable number.

72867183860 is an abundant number, since it is smaller than the sum of its proper divisors (88876207180).

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

72867183860 is a wasteful number, since it uses less digits than its factorization.

72867183860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795936 (or 795934 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 72867183860 in words is "seventy-two billion, eight hundred sixty-seven million, one hundred eighty-three thousand, eight hundred sixty".