7489680 has 80 divisors (see below), whose sum is σ = 25337664. Its totient is φ = 1815040.

The previous prime is 7489649. The next prime is 7489681. The reversal of 7489680 is 869847.

It is a happy number.

7489680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (7489681) 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, 1222 + ... + 4058.

Almost surely, 2^7489680 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 7489680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12668832).

7489680 is an abundant number, since it is smaller than the sum of its proper divisors (17847984).

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

7489680 is a wasteful number, since it uses less digits than its factorization.

7489680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 7489680 is about 2736.7279733287. The cubic root of 7489680 is about 195.6535598828.

The spelling of 7489680 in words is "seven million, four hundred eighty-nine thousand, six hundred eighty".