71006534 has 12 divisors (see below), whose sum is σ = 112411764. Its totient is φ = 33634332.

The previous prime is 71006531. The next prime is 71006539. The reversal of 71006534 is 43560017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71006531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48452 + ... + 49895.

It is an arithmetic number, because the mean of its divisors is an integer number (9367647).

Almost surely, 2^71006534 is an apocalyptic number.

71006534 is a deficient number, since it is larger than the sum of its proper divisors (41405230).

71006534 is a wasteful number, since it uses less digits than its factorization.

71006534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98387 (or 98368 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 71006534 is about 8426.5374858242. The cubic root of 71006534 is about 414.0944769485.

The spelling of 71006534 in words is "seventy-one million, six thousand, five hundred thirty-four".