79460993 has 4 divisors (see below), whose sum is σ = 81399108. Its totient is φ = 77522880.

The previous prime is 79460989. The next prime is 79461007. The reversal of 79460993 is 39906497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39906497 = 17 ⋅2347441.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 76335169 = 1768^2 + 8737^2 .

It is a cyclic number.

It is not a de Polignac number, because 79460993 - 2² = 79460989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79460923) 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 3 ways as a sum of consecutive naturals, for example, 968996 + ... + 969077.

It is an arithmetic number, because the mean of its divisors is an integer number (20349777).

Almost surely, 2^79460993 is an apocalyptic number.

It is an amenable number.

79460993 is a deficient number, since it is larger than the sum of its proper divisors (1938115).

79460993 is a wasteful number, since it uses less digits than its factorization.

79460993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938114.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 79460993 is about 8914.0895777415. The cubic root of 79460993 is about 429.9170436688.

The spelling of 79460993 in words is "seventy-nine million, four hundred sixty thousand, nine hundred ninety-three".