71039056 has 40 divisors (see below), whose sum is σ = 158989824. Its totient is φ = 30389760.

The previous prime is 71039051. The next prime is 71039063. The reversal of 71039056 is 65093017.

It is a super-2 number, since 2×71039056² = 10093094954742272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71039051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8880 + ... + 14863.

Almost surely, 2^71039056 is an apocalyptic number.

It is an amenable number.

71039056 is an abundant number, since it is smaller than the sum of its proper divisors (87950768).

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

71039056 is a wasteful number, since it uses less digits than its factorization.

71039056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23779 (or 23773 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 71039056 is about 8428.4670017744. The cubic root of 71039056 is about 414.1576876809.

The spelling of 71039056 in words is "seventy-one million, thirty-nine thousand, fifty-six".