7994320 has 20 divisors (see below), whose sum is σ = 18586980. Its totient is φ = 3197696.

The previous prime is 7994309. The next prime is 7994321. The reversal of 7994320 is 234997.

It can be written as a sum of positive squares in 2 ways, for example, as 876096 + 7118224 = 936^2 + 2668^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994321) 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, 49885 + ... + 50044.

It is an arithmetic number, because the mean of its divisors is an integer number (929349).

Almost surely, 2^7994320 is an apocalyptic number.

It is an amenable number.

7994320 is an abundant number, since it is smaller than the sum of its proper divisors (10592660).

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

7994320 is a wasteful number, since it uses less digits than its factorization.

7994320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99942 (or 99936 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 7994320 is about 2827.4228548273. The cubic root of 7994320 is about 199.9526554600.

The spelling of 7994320 in words is "seven million, nine hundred ninety-four thousand, three hundred twenty".