7797480 has 64 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 2062080.

The previous prime is 7797463. The next prime is 7797481. The reversal of 7797480 is 847977.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7797481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21541 + ... + 21899.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 2^7797480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7797480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11793600).

7797480 is an abundant number, since it is smaller than the sum of its proper divisors (15789720).

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

7797480 is a wasteful number, since it uses less digits than its factorization.

7797480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 7797480 is about 2792.3968199380. The cubic root of 7797480 is about 198.2978885101.

The spelling of 7797480 in words is "seven million, seven hundred ninety-seven thousand, four hundred eighty".