71750043 has 10 divisors (see below), whose sum is σ = 107182284. Its totient is φ = 47833308.

The previous prime is 71750033. The next prime is 71750057. The reversal of 71750043 is 34005717.

It is not a de Polignac number, because 71750043 - 2⁵ = 71750011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 71749989 and 71750016.

It is not an unprimeable number, because it can be changed into a prime (71750033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 442821 + ... + 442982.

Almost surely, 2^71750043 is an apocalyptic number.

71750043 is a deficient number, since it is larger than the sum of its proper divisors (35432241).

71750043 is an equidigital number, since it uses as much as digits as its factorization.

71750043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885815 (or 885806 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 71750043 is about 8470.5397112581. The cubic root of 71750043 is about 415.5347883656.

The spelling of 71750043 in words is "seventy-one million, seven hundred fifty thousand, forty-three".