72890133876 has 60 divisors (see below), whose sum is σ = 217770530208. Its totient is φ = 20825751888.

The previous prime is 72890133853. The next prime is 72890133893. The reversal of 72890133876 is 67833109827.

It is a super-2 number, since 2×72890133876² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16066986 + ... + 16071521.

Almost surely, 2^72890133876 is an apocalyptic number.

It is an amenable number.

72890133876 is an abundant number, since it is smaller than the sum of its proper divisors (144880396332).

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

72890133876 is a wasteful number, since it uses less digits than its factorization.

72890133876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32138530 (or 32138519 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 72890133876 in words is "seventy-two billion, eight hundred ninety million, one hundred thirty-three thousand, eight hundred seventy-six".