71732668 has 18 divisors (see below), whose sum is σ = 146027616. Its totient is φ = 30742488.

The previous prime is 71732663. The next prime is 71732671. The reversal of 71732668 is 86623717.

It is a self number, because there is not a number n which added to its sum of digits gives 71732668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71732663) 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 5 ways as a sum of consecutive naturals, for example, 182796 + ... + 183187.

Almost surely, 2^71732668 is an apocalyptic number.

It is an amenable number.

71732668 is an abundant number, since it is smaller than the sum of its proper divisors (74294948).

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

71732668 is a wasteful number, since it uses less digits than its factorization.

71732668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366001 (or 365992 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 71732668 is about 8469.5140356457. The cubic root of 71732668 is about 415.5012436711.

The spelling of 71732668 in words is "seventy-one million, seven hundred thirty-two thousand, six hundred sixty-eight".