72841013828 has 12 divisors (see below), whose sum is σ = 139060117392. Its totient is φ = 33109551720.

The previous prime is 72841013801. The next prime is 72841013831. The reversal of 72841013828 is 82831014827.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1655477587 = 72841013828 / (7 + 2 + 8 + 4 + 1 + 0 + 1 + 3 + 8 + 2 + 8).

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, 827738750 + ... + 827738837.

It is an arithmetic number, because the mean of its divisors is an integer number (11588343116).

Almost surely, 2^72841013828 is an apocalyptic number.

It is an amenable number.

72841013828 is a deficient number, since it is larger than the sum of its proper divisors (66219103564).

72841013828 is a wasteful number, since it uses less digits than its factorization.

72841013828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655477602 (or 1655477600 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

Subtracting 72841013828 from its reverse (82831014827), we obtain a palindrome (9990000999).

The spelling of 72841013828 in words is "seventy-two billion, eight hundred forty-one million, thirteen thousand, eight hundred twenty-eight".