71865468 has 30 divisors (see below), whose sum is σ = 187871376. Its totient is φ = 23955048.

The previous prime is 71865413. The next prime is 71865487. The reversal of 71865468 is 86456817.

It is a happy number.

71865468 is a `hidden beast` number, since 7 + 186 + 5 + 468 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 110580 + ... + 111227.

Almost surely, 2^71865468 is an apocalyptic number.

It is an amenable number.

71865468 is an abundant number, since it is smaller than the sum of its proper divisors (116005908).

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

71865468 is a wasteful number, since it uses less digits than its factorization.

71865468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221823 (or 221812 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 71865468 is about 8477.3502935764. The cubic root of 71865468 is about 415.7574939526.

The spelling of 71865468 in words is "seventy-one million, eight hundred sixty-five thousand, four hundred sixty-eight".