71125633 has 4 divisors (see below), whose sum is σ = 71181360. Its totient is φ = 71069908.

The previous prime is 71125601. The next prime is 71125651. The reversal of 71125633 is 33652117.

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 71125633 - 2⁵ = 71125601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71125673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25903 + ... + 28516.

It is an arithmetic number, because the mean of its divisors is an integer number (17795340).

Almost surely, 2^71125633 is an apocalyptic number.

It is an amenable number.

71125633 is a deficient number, since it is larger than the sum of its proper divisors (55727).

71125633 is a wasteful number, since it uses less digits than its factorization.

71125633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55726.

The product of its digits is 3780, while the sum is 28.

The square root of 71125633 is about 8433.6014252513. The cubic root of 71125633 is about 414.3258673442.

The spelling of 71125633 in words is "seventy-one million, one hundred twenty-five thousand, six hundred thirty-three".