71000441 has 4 divisors (see below), whose sum is σ = 71855952. Its totient is φ = 70144932.

The previous prime is 71000429. The next prime is 71000453. The reversal of 71000441 is 14400017.

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 an interprime number because it is at equal distance from previous prime (71000429) and next prime (71000453).

It is a cyclic number.

It is not a de Polignac number, because 71000441 - 2²² = 66806137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71000141) 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, 427631 + ... + 427796.

It is an arithmetic number, because the mean of its divisors is an integer number (17963988).

Almost surely, 2^71000441 is an apocalyptic number.

It is an amenable number.

71000441 is a deficient number, since it is larger than the sum of its proper divisors (855511).

71000441 is an equidigital number, since it uses as much as digits as its factorization.

71000441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855510.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 71000441 is about 8426.1759416713. The cubic root of 71000441 is about 414.0826322647.

Adding to 71000441 its reverse (14400017), we get a palindrome (85400458).

The spelling of 71000441 in words is "seventy-one million, four hundred forty-one", and thus it is an aban number.