71533049 has 8 divisors (see below), whose sum is σ = 81818880. Its totient is φ = 61263936.

The previous prime is 71533001. The next prime is 71533057. The reversal of 71533049 is 94033517.

It is a happy number.

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 71533049 - 2⁸ = 71532793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71533349) 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, 6992 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (10227360).

Almost surely, 2^71533049 is an apocalyptic number.

It is an amenable number.

71533049 is a deficient number, since it is larger than the sum of its proper divisors (10285831).

71533049 is a wasteful number, since it uses less digits than its factorization.

71533049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 71533049 is about 8457.7212652109. The cubic root of 71533049 is about 415.1154640735.

The spelling of 71533049 in words is "seventy-one million, five hundred thirty-three thousand, forty-nine".