82666736 has 10 divisors (see below), whose sum is σ = 160166832. Its totient is φ = 41333360.

The previous prime is 82666721. The next prime is 82666741. The reversal of 82666736 is 63766628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583320 + ... + 2583351.

Almost surely, 2^82666736 is an apocalyptic number.

It is an amenable number.

82666736 is a deficient number, since it is larger than the sum of its proper divisors (77500096).

82666736 is a wasteful number, since it uses less digits than its factorization.

82666736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166679 (or 5166673 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 82666736 is about 9092.1249441481. The cubic root of 82666736 is about 435.6224602594.

The spelling of 82666736 in words is "eighty-two million, six hundred sixty-six thousand, seven hundred thirty-six".