72122794254 has 32 divisors (see below), whose sum is σ = 183169002240. Its totient is φ = 20606512536.

The previous prime is 72122794243. The next prime is 72122794283. The reversal of 72122794254 is 45249722127.

72122794254 is a `hidden beast` number, since 7 + 212 + 2 + 7 + 9 + 425 + 4 = 666.

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, 95400144 + ... + 95400899.

It is an arithmetic number, because the mean of its divisors is an integer number (5724031320).

Almost surely, 2^72122794254 is an apocalyptic number.

72122794254 is an abundant number, since it is smaller than the sum of its proper divisors (111046207986).

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

72122794254 is a wasteful number, since it uses less digits than its factorization.

72122794254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190801061 (or 190801055 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 72122794254 in words is "seventy-two billion, one hundred twenty-two million, seven hundred ninety-four thousand, two hundred fifty-four".