79317005 has 4 divisors (see below), whose sum is σ = 95180412. Its totient is φ = 63453600.

The previous prime is 79316999. The next prime is 79317013. The reversal of 79317005 is 50071397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50071397 = 37 ⋅1353281.

It can be written as a sum of positive squares in 2 ways, for example, as 28665316 + 50651689 = 5354^2 + 7117^2 .

It is not a de Polignac number, because 79317005 - 2⁴ = 79316989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7931696 + ... + 7931705.

It is an arithmetic number, because the mean of its divisors is an integer number (23795103).

Almost surely, 2^79317005 is an apocalyptic number.

It is an amenable number.

79317005 is a deficient number, since it is larger than the sum of its proper divisors (15863407).

79317005 is a wasteful number, since it uses less digits than its factorization.

79317005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15863406.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 79317005 is about 8906.0094879806. The cubic root of 79317005 is about 429.6572083241.

The spelling of 79317005 in words is "seventy-nine million, three hundred seventeen thousand, five".