79420343 has 4 divisors (see below), whose sum is σ = 80149080. Its totient is φ = 78691608.

The previous prime is 79420337. The next prime is 79420349. The reversal of 79420343 is 34302497.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (79420337) and next prime (79420349).

It is a cyclic number.

It is not a de Polignac number, because 79420343 - 2¹² = 79416247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79420349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364205 + ... + 364422.

It is an arithmetic number, because the mean of its divisors is an integer number (20037270).

Almost surely, 2^79420343 is an apocalyptic number.

79420343 is a deficient number, since it is larger than the sum of its proper divisors (728737).

79420343 is a wasteful number, since it uses less digits than its factorization.

79420343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728736.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 79420343 is about 8911.8091878137. The cubic root of 79420343 is about 429.8437200245.

The spelling of 79420343 in words is "seventy-nine million, four hundred twenty thousand, three hundred forty-three".