7479880 has 32 divisors (see below), whose sum is σ = 17087040. Its totient is φ = 2946240.

The previous prime is 7479859. The next prime is 7479887. The reversal of 7479880 is 889747.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7479887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (533970).

Almost surely, 2^7479880 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 7479880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8543520).

7479880 is an abundant number, since it is smaller than the sum of its proper divisors (9607160).

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

7479880 is a wasteful number, since it uses less digits than its factorization.

7479880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 7479880 is about 2734.9369279748. The cubic root of 7479880 is about 195.5681872197.

The spelling of 7479880 in words is "seven million, four hundred seventy-nine thousand, eight hundred eighty".