7994280 has 128 divisors (see below), whose sum is σ = 28385280. Its totient is φ = 1762560.

The previous prime is 7994279. The next prime is 7994281. The reversal of 7994280 is 824997.

It is an interprime number because it is at equal distance from previous prime (7994279) and next prime (7994281).

It is not an unprimeable number, because it can be changed into a prime (7994281) 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, 25887 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

Almost surely, 2^7994280 is an apocalyptic number.

7994280 is a gapful number since it is divisible by the number (70) 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 7994280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14192640).

7994280 is an abundant number, since it is smaller than the sum of its proper divisors (20391000).

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

7994280 is a wasteful number, since it uses less digits than its factorization.

7994280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 7994280 is about 2827.4157812391. The cubic root of 7994280 is about 199.9523219683.

The spelling of 7994280 in words is "seven million, nine hundred ninety-four thousand, two hundred eighty".