79458 has 32 divisors (see below), whose sum is σ = 181440. Its totient is φ = 23040.

The previous prime is 79451. The next prime is 79481. The reversal of 79458 is 85497.

It is not an unprimeable number, because it can be changed into a prime (79451) 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, 1918 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2⁷⁹⁴⁵⁸ is an apocalyptic number.

79458 is an abundant number, since it is smaller than the sum of its proper divisors (101982).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90720).

79458 is a wasteful number, since it uses less digits than its factorization.

79458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82.

The product of its digits is 10080, while the sum is 33.

The square root of 79458 is about 281.8829544332. The cubic root of 79458 is about 42.9911645809.

Subtracting from 79458 its product of digits (10080), we obtain a triangular number (69378 = T₃₇₂).

The spelling of 79458 in words is "seventy-nine thousand, four hundred fifty-eight".