79646493 has 8 divisors (see below), whose sum is σ = 110812608. Its totient is φ = 50789024.

The previous prime is 79646491. The next prime is 79646503. The reversal of 79646493 is 39464697.

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 79646493 - 2¹ = 79646491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79646491) 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 7 ways as a sum of consecutive naturals, for example, 577080 + ... + 577217.

It is an arithmetic number, because the mean of its divisors is an integer number (13851576).

Almost surely, 2^79646493 is an apocalyptic number.

It is an amenable number.

79646493 is a deficient number, since it is larger than the sum of its proper divisors (31166115).

79646493 is a wasteful number, since it uses less digits than its factorization.

79646493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154323.

The product of its digits is 979776, while the sum is 48.

The square root of 79646493 is about 8924.4883886977. The cubic root of 79646493 is about 430.2513277455.

The spelling of 79646493 in words is "seventy-nine million, six hundred forty-six thousand, four hundred ninety-three".