7722980 has 12 divisors (see below), whose sum is σ = 16218300. Its totient is φ = 3089184.

The previous prime is 7722943. The next prime is 7722983. The reversal of 7722980 is 892277.

It can be written as a sum of positive squares in 2 ways, for example, as 5484964 + 2238016 = 2342^2 + 1496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7722980.

It is not an unprimeable number, because it can be changed into a prime (7722983) 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, 193055 + ... + 193094.

It is an arithmetic number, because the mean of its divisors is an integer number (1351525).

Almost surely, 2^7722980 is an apocalyptic number.

It is an amenable number.

7722980 is an abundant number, since it is smaller than the sum of its proper divisors (8495320).

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

7722980 is a wasteful number, since it uses less digits than its factorization.

7722980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386158 (or 386156 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 7722980 is about 2779.0250088835. The cubic root of 7722980 is about 197.6643293968.

The spelling of 7722980 in words is "seven million, seven hundred twenty-two thousand, nine hundred eighty".