79809342 has 8 divisors (see below), whose sum is σ = 159618696. Its totient is φ = 26603112.

The previous prime is 79809299. The next prime is 79809343. The reversal of 79809342 is 24390897.

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

79809342 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 79809294 and 79809303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79809343) 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, 6650773 + ... + 6650784.

It is an arithmetic number, because the mean of its divisors is an integer number (19952337).

Almost surely, 2^79809342 is an apocalyptic number.

79809342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79809342 is a wasteful number, since it uses less digits than its factorization.

79809342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301562.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 79809342 is about 8933.6074460433. The cubic root of 79809342 is about 430.5443655454.

The spelling of 79809342 in words is "seventy-nine million, eight hundred nine thousand, three hundred forty-two".