7972411702729 has 4 divisors (see below), whose sum is σ = 7972444309780. Its totient is φ = 7972379095680.

The previous prime is 7972411702667. The next prime is 7972411702753. The reversal of 7972411702729 is 9272071142797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6443855325625 + 1528556377104 = 2538475^2 + 1236348^2 .

It is a cyclic number.

It is not a de Polignac number, because 7972411702729 - 2⁹ = 7972411702217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7972411702769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15933984 + ... + 16426705.

It is an arithmetic number, because the mean of its divisors is an integer number (1993111077445).

Almost surely, 2^{7972411702729} is an apocalyptic number.

It is an amenable number.

7972411702729 is a deficient number, since it is larger than the sum of its proper divisors (32607051).

7972411702729 is a wasteful number, since it uses less digits than its factorization.

7972411702729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32607050.

The product of its (nonzero) digits is 6223392, while the sum is 58.

The spelling of 7972411702729 in words is "seven trillion, nine hundred seventy-two billion, four hundred eleven million, seven hundred two thousand, seven hundred twenty-nine".