102720776073 has 8 divisors (see below), whose sum is σ = 137306026368. Its totient is φ = 68308021584.

The previous prime is 102720776057. The next prime is 102720776111. The reversal of 102720776073 is 370677027201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102720776073 - 2⁴ = 102720776057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102720776173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43122561 + ... + 43124942.

It is an arithmetic number, because the mean of its divisors is an integer number (17163253296).

Almost surely, 2^102720776073 is an apocalyptic number.

It is an amenable number.

102720776073 is a deficient number, since it is larger than the sum of its proper divisors (34585250295).

102720776073 is an equidigital number, since it uses as much as digits as its factorization.

102720776073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86247903.

The product of its (nonzero) digits is 172872, while the sum is 42.

The spelling of 102720776073 in words is "one hundred two billion, seven hundred twenty million, seven hundred seventy-six thousand, seventy-three".