72183822 has 16 divisors (see below), whose sum is σ = 147439872. Its totient is φ = 23549240.

The previous prime is 72183817. The next prime is 72183829. The reversal of 72183822 is 22838127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72183829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127704 + ... + 128267.

It is an arithmetic number, because the mean of its divisors is an integer number (9214992).

Almost surely, 2^72183822 is an apocalyptic number.

72183822 is an abundant number, since it is smaller than the sum of its proper divisors (75256050).

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

72183822 is a wasteful number, since it uses less digits than its factorization.

72183822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256023.

The product of its digits is 10752, while the sum is 33.

The square root of 72183822 is about 8496.1062846459. The cubic root of 72183822 is about 416.3705055603.

The spelling of 72183822 in words is "seventy-two million, one hundred eighty-three thousand, eight hundred twenty-two".