71533156 has 12 divisors (see below), whose sum is σ = 125274240. Its totient is φ = 35740520.

The previous prime is 71533117. The next prime is 71533171. The reversal of 71533156 is 65133517.

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, 501 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (10439520).

Almost surely, 2^71533156 is an apocalyptic number.

It is an amenable number.

71533156 is a deficient number, since it is larger than the sum of its proper divisors (53741084).

71533156 is a wasteful number, since it uses less digits than its factorization.

71533156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034 (or 13032 counting only the distinct ones).

The product of its digits is 9450, while the sum is 31.

The square root of 71533156 is about 8457.7275907894. The cubic root of 71533156 is about 415.1156710516.

The spelling of 71533156 in words is "seventy-one million, five hundred thirty-three thousand, one hundred fifty-six".