72821326910 has 16 divisors (see below), whose sum is σ = 131186471616. Its totient is φ = 29104512288.

The previous prime is 72821326909. The next prime is 72821326967. The reversal of 72821326910 is 1962312827.

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 7 ways as a sum of consecutive naturals, for example, 2989574 + ... + 3013833.

It is an arithmetic number, because the mean of its divisors is an integer number (8199154476).

Almost surely, 2^72821326910 is an apocalyptic number.

72821326910 is a deficient number, since it is larger than the sum of its proper divisors (58365144706).

72821326910 is a wasteful number, since it uses less digits than its factorization.

72821326910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004627.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 72821326910 in words is "seventy-two billion, eight hundred twenty-one million, three hundred twenty-six thousand, nine hundred ten".