71147041 has 32 divisors (see below), whose sum is σ = 87464448. Its totient is φ = 56609280.

The previous prime is 71147009. The next prime is 71147047. The reversal of 71147041 is 14074117.

It is a happy number.

It is not a de Polignac number, because 71147041 - 2⁵ = 71147009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71146997 and 71147015.

It is not an unprimeable number, because it can be changed into a prime (71147047) 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 31 ways as a sum of consecutive naturals, for example, 974581 + ... + 974653.

It is an arithmetic number, because the mean of its divisors is an integer number (2733264).

Almost surely, 2^71147041 is an apocalyptic number.

71147041 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

71147041 is a deficient number, since it is larger than the sum of its proper divisors (16317407).

71147041 is a wasteful number, since it uses less digits than its factorization.

71147041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 71147041 is about 8434.8705384256. The cubic root of 71147041 is about 414.3674322861.

The spelling of 71147041 in words is "seventy-one million, one hundred forty-seven thousand, forty-one".