71344071 has 24 divisors (see below), whose sum is σ = 107313024. Its totient is φ = 47365560.

The previous prime is 71344003. The next prime is 71344081. The reversal of 71344071 is 17044317.

It is not a de Polignac number, because 71344071 - 2¹⁴ = 71327687 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71344001) 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 23 ways as a sum of consecutive naturals, for example, 79990 + ... + 80876.

It is an arithmetic number, because the mean of its divisors is an integer number (4471376).

Almost surely, 2^71344071 is an apocalyptic number.

71344071 is a deficient number, since it is larger than the sum of its proper divisors (35968953).

71344071 is an equidigital number, since it uses as much as digits as its factorization.

71344071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 71344071 is about 8446.5419551435. The cubic root of 71344071 is about 414.7495871602.

Adding to 71344071 its reverse (17044317), we get a palindrome (88388388).

The spelling of 71344071 in words is "seventy-one million, three hundred forty-four thousand, seventy-one".