7664330 has 16 divisors (see below), whose sum is σ = 14057064. Its totient is φ = 3007680.

The previous prime is 7664329. The next prime is 7664341. The reversal of 7664330 is 334667.

It can be written as a sum of positive squares in 4 ways, for example, as 5004169 + 2660161 = 2237^2 + 1631^2 .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 7664293 and 7664302.

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 7 ways as a sum of consecutive naturals, for example, 6701 + ... + 7760.

Almost surely, 2^7664330 is an apocalyptic number.

7664330 is a deficient number, since it is larger than the sum of its proper divisors (6392734).

7664330 is a wasteful number, since it uses less digits than its factorization.

7664330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14521.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 7664330 is about 2768.4526364018. The cubic root of 7664330 is about 197.1626886662.

Adding to 7664330 its reverse (334667), we get a palindrome (7998997).

The spelling of 7664330 in words is "seven million, six hundred sixty-four thousand, three hundred thirty".