727682166 has 48 divisors (see below), whose sum is σ = 1598360400. Its totient is φ = 239238144.

The previous prime is 727682149. The next prime is 727682171. The reversal of 727682166 is 661286727.

It is a hoax number, since the sum of its digits (45) 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713605 + ... + 714623.

It is an arithmetic number, because the mean of its divisors is an integer number (33299175).

Almost surely, 2^727682166 is an apocalyptic number.

727682166 is an abundant number, since it is smaller than the sum of its proper divisors (870678234).

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

727682166 is a wasteful number, since it uses less digits than its factorization.

727682166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1530 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 727682166 is about 26975.5846275850. The cubic root of 727682166 is about 899.4573543647.

The spelling of 727682166 in words is "seven hundred twenty-seven million, six hundred eighty-two thousand, one hundred sixty-six".