72680183772 has 48 divisors (see below), whose sum is σ = 193870790400. Its totient is φ = 20759663232.

The previous prime is 72680183761. The next prime is 72680183777. The reversal of 72680183772 is 27738108627.

It is a happy number.

It is a super-2 number, since 2×72680183772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72680183777) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 164283 + ... + 415149.

It is an arithmetic number, because the mean of its divisors is an integer number (4038974800).

Almost surely, 2^72680183772 is an apocalyptic number.

It is an amenable number.

72680183772 is an abundant number, since it is smaller than the sum of its proper divisors (121190606628).

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

72680183772 is a wasteful number, since it uses less digits than its factorization.

72680183772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254330 (or 254328 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 72680183772 in words is "seventy-two billion, six hundred eighty million, one hundred eighty-three thousand, seven hundred seventy-two".