72843349532 has 12 divisors (see below), whose sum is σ = 127542721320. Its totient is φ = 36402572016.

The previous prime is 72843349483. The next prime is 72843349541. The reversal of 72843349532 is 23594334827.

It is a super-2 number, since 2×72843349532² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767107 + ... + 4782362.

It is an arithmetic number, because the mean of its divisors is an integer number (10628560110).

Almost surely, 2^72843349532 is an apocalyptic number.

It is an amenable number.

72843349532 is a deficient number, since it is larger than the sum of its proper divisors (54699371788).

72843349532 is a wasteful number, since it uses less digits than its factorization.

72843349532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551380 (or 9551378 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The spelling of 72843349532 in words is "seventy-two billion, eight hundred forty-three million, three hundred forty-nine thousand, five hundred thirty-two".