7730980 has 12 divisors (see below), whose sum is σ = 16235100. Its totient is φ = 3092384.

The previous prime is 7730963. The next prime is 7730981. The reversal of 7730980 is 890377.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 6594624 = 1066^2 + 2568^2 .

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (7730981) 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, 193255 + ... + 193294.

It is an arithmetic number, because the mean of its divisors is an integer number (1352925).

Almost surely, 2^7730980 is an apocalyptic number.

It is an amenable number.

7730980 is an abundant number, since it is smaller than the sum of its proper divisors (8504120).

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

7730980 is a wasteful number, since it uses less digits than its factorization.

7730980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386558 (or 386556 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 7730980 is about 2780.4639900563. The cubic root of 7730980 is about 197.7325573320.

The spelling of 7730980 in words is "seven million, seven hundred thirty thousand, nine hundred eighty".