71014864 has 20 divisors (see below), whose sum is σ = 139012804. Its totient is φ = 35140608.

The previous prime is 71014813. The next prime is 71014871. The reversal of 71014864 is 46841017.

It can be written as a sum of positive squares in 2 ways, for example, as 22014864 + 49000000 = 4692^2 + 7000^2 .

It is a super-2 number, since 2×71014864² = 10086221817876992, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 21327 + ... + 24430.

Almost surely, 2^71014864 is an apocalyptic number.

It is an amenable number.

71014864 is a deficient number, since it is larger than the sum of its proper divisors (67997940).

71014864 is a wasteful number, since it uses less digits than its factorization.

71014864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45862 (or 45856 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 71014864 is about 8427.0317431466. The cubic root of 71014864 is about 414.1106692242.

The spelling of 71014864 in words is "seventy-one million, fourteen thousand, eight hundred sixty-four".