72044406930 has 32 divisors (see below), whose sum is σ = 183077553024. Its totient is φ = 18081733376.

The previous prime is 72044406919. The next prime is 72044406943. The reversal of 72044406930 is 3960444027.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70631262 + ... + 70632281.

It is an arithmetic number, because the mean of its divisors is an integer number (5721173532).

Almost surely, 2^72044406930 is an apocalyptic number.

72044406930 is an abundant number, since it is smaller than the sum of its proper divisors (111033146094).

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

72044406930 is a wasteful number, since it uses less digits than its factorization.

72044406930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141263570.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 72044406930 in words is "seventy-two billion, forty-four million, four hundred six thousand, nine hundred thirty".