71023033 has 4 divisors (see below), whose sum is σ = 71075200. Its totient is φ = 70970868.

The previous prime is 71023019. The next prime is 71023039. The reversal of 71023033 is 33032017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71023033 - 2⁹ = 71022521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71023033.

It is not an unprimeable number, because it can be changed into a prime (71023039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23985 + ... + 26782.

It is an arithmetic number, because the mean of its divisors is an integer number (17768800).

Almost surely, 2^71023033 is an apocalyptic number.

It is an amenable number.

71023033 is a deficient number, since it is larger than the sum of its proper divisors (52167).

71023033 is a wasteful number, since it uses less digits than its factorization.

71023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52166.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 71023033 is about 8427.5164194441. The cubic root of 71023033 is about 414.1265473101.

The spelling of 71023033 in words is "seventy-one million, twenty-three thousand, thirty-three".