72252922 has 8 divisors (see below), whose sum is σ = 123862176. Its totient is φ = 30965532.

The previous prime is 72252889. The next prime is 72252923. The reversal of 72252922 is 22925227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72252923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580448 + ... + 2580475.

It is an arithmetic number, because the mean of its divisors is an integer number (15482772).

Almost surely, 2^72252922 is an apocalyptic number.

72252922 is a deficient number, since it is larger than the sum of its proper divisors (51609254).

72252922 is a wasteful number, since it uses less digits than its factorization.

72252922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160932.

The product of its digits is 10080, while the sum is 31.

The square root of 72252922 is about 8500.1718806151. The cubic root of 72252922 is about 416.5033239922.

The spelling of 72252922 in words is "seventy-two million, two hundred fifty-two thousand, nine hundred twenty-two".