71231066 has 8 divisors (see below), whose sum is σ = 107017824. Its totient is φ = 35558460.

The previous prime is 71231059. The next prime is 71231093. The reversal of 71231066 is 66013217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26960 + ... + 29483.

It is an arithmetic number, because the mean of its divisors is an integer number (13377228).

Almost surely, 2^71231066 is an apocalyptic number.

71231066 is a deficient number, since it is larger than the sum of its proper divisors (35786758).

71231066 is a wasteful number, since it uses less digits than its factorization.

71231066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57076.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 71231066 is about 8439.8498801815. The cubic root of 71231066 is about 414.5304914266.

The spelling of 71231066 in words is "seventy-one million, two hundred thirty-one thousand, sixty-six".