79743906 has 128 divisors (see below), whose sum is σ = 209952000. Its totient is φ = 22164480.

The previous prime is 79743901. The next prime is 79743907. The reversal of 79743906 is 60934797.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79743901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 535120 + ... + 535268.

It is an arithmetic number, because the mean of its divisors is an integer number (1640250).

Almost surely, 2^79743906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79743906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104976000).

79743906 is an abundant number, since it is smaller than the sum of its proper divisors (130208094).

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

79743906 is a wasteful number, since it uses less digits than its factorization.

79743906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 79743906 is about 8929.9443447314. The cubic root of 79743906 is about 430.4266650204.

The spelling of 79743906 in words is "seventy-nine million, seven hundred forty-three thousand, nine hundred six".