71533841 has 16 divisors (see below), whose sum is σ = 83203200. Its totient is φ = 61003008.

The previous prime is 71533801. The next prime is 71533883. The reversal of 71533841 is 14833517.

It is a cyclic number.

It is not a de Polignac number, because 71533841 - 2²⁶ = 4424977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71533798 and 71533807.

It is not an unprimeable number, because it can be changed into a prime (71533801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2615 + ... + 12243.

It is an arithmetic number, because the mean of its divisors is an integer number (5200200).

Almost surely, 2^71533841 is an apocalyptic number.

It is an amenable number.

71533841 is a deficient number, since it is larger than the sum of its proper divisors (11669359).

71533841 is a wasteful number, since it uses less digits than its factorization.

71533841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688.

The product of its digits is 10080, while the sum is 32.

The square root of 71533841 is about 8457.7680862034. The cubic root of 71533841 is about 415.1169960937.

The spelling of 71533841 in words is "seventy-one million, five hundred thirty-three thousand, eight hundred forty-one".