71266864 has 10 divisors (see below), whose sum is σ = 138079580. Its totient is φ = 35633424.

The previous prime is 71266859. The next prime is 71266883. The reversal of 71266864 is 46866217.

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 as a sum of consecutive naturals, namely, 2227074 + ... + 2227105.

It is an arithmetic number, because the mean of its divisors is an integer number (13807958).

Almost surely, 2^71266864 is an apocalyptic number.

It is an amenable number.

71266864 is a deficient number, since it is larger than the sum of its proper divisors (66812716).

71266864 is a wasteful number, since it uses less digits than its factorization.

71266864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454187 (or 4454181 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 71266864 is about 8441.9703861125. The cubic root of 71266864 is about 414.5999221687.

It can be divided in two parts, 712 and 66864, that added together give a palindrome (67576).

The spelling of 71266864 in words is "seventy-one million, two hundred sixty-six thousand, eight hundred sixty-four".