76666338 has 40 divisors (see below), whose sum is σ = 196333632. Its totient is φ = 21904344.

The previous prime is 76666333. The next prime is 76666339. The reversal of 76666338 is 83366667.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76666293 and 76666302.

It is not an unprimeable number, because it can be changed into a prime (76666333) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 32670 + ... + 34937.

Almost surely, 2^76666338 is an apocalyptic number.

76666338 is an abundant number, since it is smaller than the sum of its proper divisors (119667294).

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

76666338 is a wasteful number, since it uses less digits than its factorization.

76666338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67628 (or 67619 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 76666338 is about 8755.9315894998. The cubic root of 76666338 is about 424.8166923442.

The spelling of 76666338 in words is "seventy-six million, six hundred sixty-six thousand, three hundred thirty-eight".