72322704 has 60 divisors (see below), whose sum is σ = 203112000. Its totient is φ = 24023232.

The previous prime is 72322703. The next prime is 72322727. The reversal of 72322704 is 40722327.

It is a super-3 number, since 3×72322704³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72322703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50997 + ... + 52395.

It is an arithmetic number, because the mean of its divisors is an integer number (3385200).

Almost surely, 2^72322704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72322704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101556000).

72322704 is an abundant number, since it is smaller than the sum of its proper divisors (130789296).

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

72322704 is a wasteful number, since it uses less digits than its factorization.

72322704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 72322704 is about 8504.2756305284. The cubic root of 72322704 is about 416.6373673976.

The spelling of 72322704 in words is "seventy-two million, three hundred twenty-two thousand, seven hundred four".