79230405 has 16 divisors (see below), whose sum is σ = 127005120. Its totient is φ = 42177408.

The previous prime is 79230401. The next prime is 79230419. The reversal of 79230405 is 50403297.

It is not a de Polignac number, because 79230405 - 2² = 79230401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79230401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3894 + ... + 13176.

It is an arithmetic number, because the mean of its divisors is an integer number (7937820).

Almost surely, 2^79230405 is an apocalyptic number.

It is an amenable number.

79230405 is a deficient number, since it is larger than the sum of its proper divisors (47774715).

79230405 is a wasteful number, since it uses less digits than its factorization.

79230405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 79230405 is about 8901.1462744975. The cubic root of 79230405 is about 429.5007817416.

The spelling of 79230405 in words is "seventy-nine million, two hundred thirty thousand, four hundred five".