72481622 has 8 divisors (see below), whose sum is σ = 108774576. Its totient is φ = 36223432.

The previous prime is 72481613. The next prime is 72481663. The reversal of 72481622 is 22618427.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (13596822).

Almost surely, 2^72481622 is an apocalyptic number.

72481622 is a deficient number, since it is larger than the sum of its proper divisors (36292954).

72481622 is a wasteful number, since it uses less digits than its factorization.

72481622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17382.

The product of its digits is 10752, while the sum is 32.

The square root of 72481622 is about 8513.6139212440. The cubic root of 72481622 is about 416.9423096279.

The spelling of 72481622 in words is "seventy-two million, four hundred eighty-one thousand, six hundred twenty-two".