72861723748 has 12 divisors (see below), whose sum is σ = 139099654512. Its totient is φ = 33118965320.

The previous prime is 72861723689. The next prime is 72861723751. The reversal of 72861723748 is 84732716827.

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, 827974090 + ... + 827974177.

It is an arithmetic number, because the mean of its divisors is an integer number (11591637876).

Almost surely, 2^72861723748 is an apocalyptic number.

It is an amenable number.

72861723748 is a deficient number, since it is larger than the sum of its proper divisors (66237930764).

72861723748 is a wasteful number, since it uses less digits than its factorization.

72861723748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655948282 (or 1655948280 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 55.

The spelling of 72861723748 in words is "seventy-two billion, eight hundred sixty-one million, seven hundred twenty-three thousand, seven hundred forty-eight".