76610066 has 12 divisors (see below), whose sum is σ = 124435242. Its totient is φ = 35358336.

The previous prime is 76610063. The next prime is 76610101. The reversal of 76610066 is 66001667.

It can be written as a sum of positive squares in 3 ways, for example, as 64464841 + 12145225 = 8029^2 + 3485^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76610063) 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 in 5 ways as a sum of consecutive naturals, for example, 112991 + ... + 113666.

Almost surely, 2^76610066 is an apocalyptic number.

76610066 is a deficient number, since it is larger than the sum of its proper divisors (47825176).

76610066 is a wasteful number, since it uses less digits than its factorization.

76610066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226685 (or 226672 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 76610066 is about 8752.7176351120. The cubic root of 76610066 is about 424.7127304376.

The spelling of 76610066 in words is "seventy-six million, six hundred ten thousand, sixty-six".