72424306066 has 64 divisors (see below), whose sum is σ = 134503248384. Its totient is φ = 28543104000.

The previous prime is 72424306061. The next prime is 72424306091. The reversal of 72424306066 is 66060342427.

It is not an unprimeable number, because it can be changed into a prime (72424306061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2175700 + ... + 2208736.

It is an arithmetic number, because the mean of its divisors is an integer number (2101613256).

Almost surely, 2^72424306066 is an apocalyptic number.

72424306066 is a deficient number, since it is larger than the sum of its proper divisors (62078942318).

72424306066 is a wasteful number, since it uses less digits than its factorization.

72424306066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33275.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 72424306066 in words is "seventy-two billion, four hundred twenty-four million, three hundred six thousand, sixty-six".