72706711042 has 16 divisors (see below), whose sum is σ = 124675300800. Its totient is φ = 31151212848.

The previous prime is 72706711031. The next prime is 72706711079. The reversal of 72706711042 is 24011760727.

It is a junction number, because it is equal to n+sod(n) for n = 72706710992 and 72706711010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682417 + ... + 781732.

It is an arithmetic number, because the mean of its divisors is an integer number (7792206300).

Almost surely, 2^72706711042 is an apocalyptic number.

72706711042 is a deficient number, since it is larger than the sum of its proper divisors (51968589758).

72706711042 is a wasteful number, since it uses less digits than its factorization.

72706711042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467705.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 72706711042 in words is "seventy-two billion, seven hundred six million, seven hundred eleven thousand, forty-two".