79423416 has 120 divisors (see below), whose sum is σ = 235354680. Its totient is φ = 24976512.

The previous prime is 79423397. The next prime is 79423417. The reversal of 79423416 is 61432497.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79423417) 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 29 ways as a sum of consecutive naturals, for example, 1087956 + ... + 1088028.

It is an arithmetic number, because the mean of its divisors is an integer number (1961289).

Almost surely, 2^79423416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79423416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117677340).

79423416 is an abundant number, since it is smaller than the sum of its proper divisors (155931264).

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

79423416 is a wasteful number, since it uses less digits than its factorization.

79423416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 101 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 79423416 is about 8911.9815978266. The cubic root of 79423416 is about 429.8492639136.

The spelling of 79423416 in words is "seventy-nine million, four hundred twenty-three thousand, four hundred sixteen".