79343513 has 4 divisors (see below), whose sum is σ = 79379748. Its totient is φ = 79307280.

The previous prime is 79343483. The next prime is 79343519. The reversal of 79343513 is 31534397.

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 55995289 + 23348224 = 7483^2 + 4832^2 .

It is a cyclic number.

It is not a de Polignac number, because 79343513 - 2¹⁰ = 79342489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79343519) 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, 14606 + ... + 19287.

It is an arithmetic number, because the mean of its divisors is an integer number (19844937).

Almost surely, 2^79343513 is an apocalyptic number.

It is an amenable number.

79343513 is a deficient number, since it is larger than the sum of its proper divisors (36235).

79343513 is a wasteful number, since it uses less digits than its factorization.

79343513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36234.

The product of its digits is 34020, while the sum is 35.

The square root of 79343513 is about 8907.4975722702. The cubic root of 79343513 is about 429.7050672699.

The spelling of 79343513 in words is "seventy-nine million, three hundred forty-three thousand, five hundred thirteen".