79354436 has 48 divisors (see below), whose sum is σ = 171997056. Its totient is φ = 31256064.

The previous prime is 79354423. The next prime is 79354463. The reversal of 79354436 is 63445397.

It is a junction number, because it is equal to n+sod(n) for n = 79354393 and 79354402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18530 + ... + 22406.

It is an arithmetic number, because the mean of its divisors is an integer number (3583272).

Almost surely, 2^79354436 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 79354436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85998528).

79354436 is an abundant number, since it is smaller than the sum of its proper divisors (92642620).

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

79354436 is a wasteful number, since it uses less digits than its factorization.

79354436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3946 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 79354436 is about 8908.1106863352. The cubic root of 79354436 is about 429.7247851309.

The spelling of 79354436 in words is "seventy-nine million, three hundred fifty-four thousand, four hundred thirty-six".