7760066 has 4 divisors (see below), whose sum is σ = 11640102. Its totient is φ = 3880032.

The previous prime is 7760063. The next prime is 7760089. The reversal of 7760066 is 6600677.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7480225 + 279841 = 2735^2 + 529^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7760063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940015 + ... + 1940018.

Almost surely, 2^7760066 is an apocalyptic number.

7760066 is a deficient number, since it is larger than the sum of its proper divisors (3880036).

7760066 is a wasteful number, since it uses less digits than its factorization.

7760066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880035.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 7760066 is about 2785.6895017213. The cubic root of 7760066 is about 197.9802211308.

It can be divided in two parts, 77600 and 66, that multiplied together give a triangular number (5121600 = T₃₂₀₀).

The spelling of 7760066 in words is "seven million, seven hundred sixty thousand, sixty-six".