7700480 has 64 divisors (see below), whose sum is σ = 18874080. Its totient is φ = 3014656.

The previous prime is 7700479. The next prime is 7700489. The reversal of 7700480 is 840077.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163817 + ... + 163863.

Almost surely, 2^7700480 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 7700480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9437040).

7700480 is an abundant number, since it is smaller than the sum of its proper divisors (11173600).

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

7700480 is an frugal number, since it uses more digits than its factorization.

7700480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 7700480 is about 2774.9738737509. The cubic root of 7700480 is about 197.4721853689.

The spelling of 7700480 in words is "seven million, seven hundred thousand, four hundred eighty".