7716480 has 64 divisors (see below), whose sum is σ = 24602400. Its totient is φ = 2057216.

The previous prime is 7716473. The next prime is 7716491. The reversal of 7716480 is 846177.

7716480 is digitally balanced in base 4, 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 (64).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90 + ... + 3929.

Almost surely, 2^7716480 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 7716480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12301200).

7716480 is an abundant number, since it is smaller than the sum of its proper divisors (16885920).

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

7716480 is a wasteful number, since it uses less digits than its factorization.

7716480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 7716480 is about 2777.8552878075. The cubic root of 7716480 is about 197.6088594978.

The spelling of 7716480 in words is "seven million, seven hundred sixteen thousand, four hundred eighty".