72711860722 has 16 divisors (see below), whose sum is σ = 115824209760. Its totient is φ = 34137657792.

The previous prime is 72711860707. The next prime is 72711860723. The reversal of 72711860722 is 22706811727.

It is a super-2 number, since 2×72711860722² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72711860723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8462388 + ... + 8470975.

It is an arithmetic number, because the mean of its divisors is an integer number (7239013110).

Almost surely, 2^72711860722 is an apocalyptic number.

72711860722 is a deficient number, since it is larger than the sum of its proper divisors (43112349038).

72711860722 is a wasteful number, since it uses less digits than its factorization.

72711860722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16933497.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 72711860722 in words is "seventy-two billion, seven hundred eleven million, eight hundred sixty thousand, seven hundred twenty-two".