79493436 has 72 divisors (see below), whose sum is σ = 220566528. Its totient is φ = 23940000.

The previous prime is 79493413. The next prime is 79493459. The reversal of 79493436 is 63439497.

It is an interprime number because it is at equal distance from previous prime (79493413) and next prime (79493459).

It is a junction number, because it is equal to n+sod(n) for n = 79493391 and 79493400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75111 + ... + 76161.

It is an arithmetic number, because the mean of its divisors is an integer number (3063424).

Almost surely, 2^79493436 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 79493436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110283264).

79493436 is an abundant number, since it is smaller than the sum of its proper divisors (141073092).

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

79493436 is a wasteful number, since it uses less digits than its factorization.

79493436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1258 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 79493436 is about 8915.9091516233. The cubic root of 79493436 is about 429.9755457519.

The spelling of 79493436 in words is "seventy-nine million, four hundred ninety-three thousand, four hundred thirty-six".