7660668 has 24 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 2546224.

The previous prime is 7660649. The next prime is 7660699. The reversal of 7660668 is 8660667.

7660668 is nontrivially palindromic in base 11.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 4921 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 2^7660668 is an apocalyptic number.

It is an amenable number.

7660668 is an abundant number, since it is smaller than the sum of its proper divisors (10265604).

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

7660668 is a wasteful number, since it uses less digits than its factorization.

7660668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 7660668 is about 2767.7911770941. The cubic root of 7660668 is about 197.1312823642.

Subtracting 7660668 from its reverse (8660667), we obtain a palindrome (999999).

It can be divided in two parts, 7 and 660668, that added together give a triangular number (660675 = T₁₁₄₉).

The spelling of 7660668 in words is "seven million, six hundred sixty thousand, six hundred sixty-eight".