72737122182 has 32 divisors (see below), whose sum is σ = 156141590112. Its totient is φ = 22506891264.

The previous prime is 72737122169. The next prime is 72737122193. The reversal of 72737122182 is 28122173727.

It is a super-2 number, since 2×72737122182² (a number of 23 digits) contains 22 as substring.

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, 4876863 + ... + 4891754.

It is an arithmetic number, because the mean of its divisors is an integer number (4879424691).

Almost surely, 2^72737122182 is an apocalyptic number.

72737122182 is an abundant number, since it is smaller than the sum of its proper divisors (83404467930).

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

72737122182 is a wasteful number, since it uses less digits than its factorization.

72737122182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768712.

The product of its digits is 131712, while the sum is 42.

The spelling of 72737122182 in words is "seventy-two billion, seven hundred thirty-seven million, one hundred twenty-two thousand, one hundred eighty-two".