7979718 has 8 divisors (see below), whose sum is σ = 15959448. Its totient is φ = 2659904.

The previous prime is 7979717. The next prime is 7979737. The reversal of 7979718 is 8179797.

7979718 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

7979718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664971 + ... + 664982.

It is an arithmetic number, because the mean of its divisors is an integer number (1994931).

Almost surely, 2^7979718 is an apocalyptic number.

7979718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7979718 is a wasteful number, since it uses less digits than its factorization.

7979718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329958.

The product of its digits is 222264, while the sum is 48.

The square root of 7979718 is about 2824.8394644652. The cubic root of 7979718 is about 199.8308402986.

It can be divided in two parts, 79 and 79718, that added together give a palindrome (79797).

The spelling of 7979718 in words is "seven million, nine hundred seventy-nine thousand, seven hundred eighteen".