71808676 has 27 divisors (see below), whose sum is σ = 133224651. Its totient is φ = 33862104.

The previous prime is 71808661. The next prime is 71808683. The reversal of 71808676 is 67680817.

The square root of 71808676 is 8474.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 321901 + ... + 322123.

Almost surely, 2^71808676 is an apocalyptic number.

71808676 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

71808676 is the 8474-th square number.

It is an amenable number.

71808676 is a deficient number, since it is larger than the sum of its proper divisors (61415975).

71808676 is a wasteful number, since it uses less digits than its factorization.

71808676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The cubic root of 71808676 is about 415.6479470324.

Multiplying 71808676 by its product of nonzero digits (112896), we get a square (8106912285696 = 2847264²).

The spelling of 71808676 in words is "seventy-one million, eight hundred eight thousand, six hundred seventy-six".