7960314721 has 4 divisors (see below), whose sum is σ = 7964766100. Its totient is φ = 7955863344.

The previous prime is 7960314679. The next prime is 7960314737. The reversal of 7960314721 is 1274130697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1274130697 = 7 ⋅182018671.

It can be written as a sum of positive squares in 2 ways, for example, as 4277160000 + 3683154721 = 65400^2 + 60689^2 .

It is a cyclic number.

It is not a de Polignac number, because 7960314721 - 2²¹ = 7958217569 is a prime.

It is a super-2 number, since 2×7960314721² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7960314121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223006 + ... + 2226583.

It is an arithmetic number, because the mean of its divisors is an integer number (1991191525).

Almost surely, 2^7960314721 is an apocalyptic number.

It is an amenable number.

7960314721 is a deficient number, since it is larger than the sum of its proper divisors (4451379).

7960314721 is a wasteful number, since it uses less digits than its factorization.

7960314721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451378.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7960314721 is about 89220.5958341458. The cubic root of 7960314721 is about 1996.6874098190.

The spelling of 7960314721 in words is "seven billion, nine hundred sixty million, three hundred fourteen thousand, seven hundred twenty-one".