72246823696 has 20 divisors (see below), whose sum is σ = 141551012700. Its totient is φ = 35717530112.

The previous prime is 72246823679. The next prime is 72246823723. The reversal of 72246823696 is 69632864227.

It can be written as a sum of positive squares in 2 ways, for example, as 7698307600 + 64548516096 = 87740^2 + 254064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25366141 + ... + 25368988.

It is an arithmetic number, because the mean of its divisors is an integer number (7077550635).

Almost surely, 2^72246823696 is an apocalyptic number.

It is an amenable number.

72246823696 is a deficient number, since it is larger than the sum of its proper divisors (69304189004).

72246823696 is a wasteful number, since it uses less digits than its factorization.

72246823696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50735226 (or 50735220 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 55.

The spelling of 72246823696 in words is "seventy-two billion, two hundred forty-six million, eight hundred twenty-three thousand, six hundred ninety-six".