72484422 has 8 divisors (see below), whose sum is σ = 144968856. Its totient is φ = 24161472.

The previous prime is 72484403. The next prime is 72484429. The reversal of 72484422 is 22448427.

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

72484422 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72484429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6040363 + ... + 6040374.

It is an arithmetic number, because the mean of its divisors is an integer number (18121107).

Almost surely, 2^72484422 is an apocalyptic number.

72484422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72484422 is a wasteful number, since it uses less digits than its factorization.

72484422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080742.

The product of its digits is 28672, while the sum is 33.

The square root of 72484422 is about 8513.7783621610. The cubic root of 72484422 is about 416.9476784529.

The spelling of 72484422 in words is "seventy-two million, four hundred eighty-four thousand, four hundred twenty-two".