7730330 has 16 divisors (see below), whose sum is σ = 14039784. Its totient is φ = 3064320.

The previous prime is 7730311. The next prime is 7730339. The reversal of 7730330 is 330377.

It can be written as a sum of positive squares in 4 ways, for example, as 4870849 + 2859481 = 2207^2 + 1691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7730296 and 7730305.

It is not an unprimeable number, because it can be changed into a prime (7730339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291 + ... + 4550.

Almost surely, 2^7730330 is an apocalyptic number.

7730330 is a deficient number, since it is larger than the sum of its proper divisors (6309454).

7730330 is a wasteful number, since it uses less digits than its factorization.

7730330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961.

The product of its (nonzero) digits is 1323, while the sum is 23.

The square root of 7730330 is about 2780.3471006333. The cubic root of 7730330 is about 197.7270155696.

The spelling of 7730330 in words is "seven million, seven hundred thirty thousand, three hundred thirty".