79494912 has 288 divisors, whose sum is σ = 282562560. Its totient is φ = 21565440.

The previous prime is 79494911. The next prime is 79494931. The reversal of 79494912 is 21949497.

It is a happy number.

79494912 is a `hidden beast` number, since 79 + 494 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (163296) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79494911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499878 + ... + 1499930.

It is an arithmetic number, because the mean of its divisors is an integer number (981120).

Almost surely, 2^79494912 is an apocalyptic number.

79494912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79494912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141281280).

79494912 is an abundant number, since it is smaller than the sum of its proper divisors (203067648).

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

79494912 is a wasteful number, since it uses less digits than its factorization.

79494912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 96 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 79494912 is about 8915.9919246262. The cubic root of 79494912 is about 429.9782069359.

The spelling of 79494912 in words is "seventy-nine million, four hundred ninety-four thousand, nine hundred twelve".