71042133 has 8 divisors (see below), whose sum is σ = 100294848. Its totient is φ = 44575424.

The previous prime is 71042123. The next prime is 71042171. The reversal of 71042133 is 33124017.

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 71042133 - 2⁴ = 71042117 is a prime.

It is a super-2 number, since 2×71042133² = 10093969322379378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71042113) 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, 696441 + ... + 696542.

It is an arithmetic number, because the mean of its divisors is an integer number (12536856).

Almost surely, 2^71042133 is an apocalyptic number.

It is an amenable number.

71042133 is a deficient number, since it is larger than the sum of its proper divisors (29252715).

71042133 is a wasteful number, since it uses less digits than its factorization.

71042133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393003.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 71042133 is about 8428.6495359577. The cubic root of 71042133 is about 414.1636672311.

The spelling of 71042133 in words is "seventy-one million, forty-two thousand, one hundred thirty-three".