7726980 has 48 divisors (see below), whose sum is σ = 21893760. Its totient is φ = 2035968.

The previous prime is 7726973. The next prime is 7727003. The reversal of 7726980 is 896277.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4617 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (456120).

Almost surely, 2^7726980 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 7726980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10946880).

7726980 is an abundant number, since it is smaller than the sum of its proper divisors (14166780).

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

7726980 is a wasteful number, since it uses less digits than its factorization.

7726980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7726980 is about 2779.7445925840. The cubic root of 7726980 is about 197.6984492510.

The spelling of 7726980 in words is "seven million, seven hundred twenty-six thousand, nine hundred eighty".