79081673 has 8 divisors (see below), whose sum is σ = 86546880. Its totient is φ = 71662480.

The previous prime is 79081669. The next prime is 79081679. The reversal of 79081673 is 37618097.

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

It is a cyclic number.

It is not a de Polignac number, because 79081673 - 2² = 79081669 is a prime.

It is a super-2 number, since 2×79081673² = 12507822008957858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79081673.

It is not an unprimeable number, because it can be changed into a prime (79081679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7853 + ... + 14826.

It is an arithmetic number, because the mean of its divisors is an integer number (10818360).

Almost surely, 2^79081673 is an apocalyptic number.

It is an amenable number.

79081673 is a deficient number, since it is larger than the sum of its proper divisors (7465207).

79081673 is a wasteful number, since it uses less digits than its factorization.

79081673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 79081673 is about 8892.7876956554. The cubic root of 79081673 is about 429.2318592055.

The spelling of 79081673 in words is "seventy-nine million, eighty-one thousand, six hundred seventy-three".