71533043 has 8 divisors (see below), whose sum is σ = 75850320. Its totient is φ = 67271040.

The previous prime is 71533001. The next prime is 71533057. The reversal of 71533043 is 34033517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71533043 - 2²⁰ = 70484467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71533073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11138 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (9481290).

Almost surely, 2^71533043 is an apocalyptic number.

71533043 is a deficient number, since it is larger than the sum of its proper divisors (4317277).

71533043 is a wasteful number, since it uses less digits than its factorization.

71533043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 71533043 is about 8457.7209105054. The cubic root of 71533043 is about 415.1154524673.

The spelling of 71533043 in words is "seventy-one million, five hundred thirty-three thousand, forty-three".