72283069432 has 16 divisors (see below), whose sum is σ = 154892291760. Its totient is φ = 30978458304.

The previous prime is 72283069421. The next prime is 72283069487. The reversal of 72283069432 is 23496038227.

It is a super-2 number, since 2×72283069432² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645384493 + ... + 645384604.

It is an arithmetic number, because the mean of its divisors is an integer number (9680768235).

Almost surely, 2^72283069432 is an apocalyptic number.

It is an amenable number.

72283069432 is an abundant number, since it is smaller than the sum of its proper divisors (82609222328).

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

72283069432 is a wasteful number, since it uses less digits than its factorization.

72283069432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290769110 (or 1290769106 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 72283069432 in words is "seventy-two billion, two hundred eighty-three million, sixty-nine thousand, four hundred thirty-two".