71049 has 8 divisors (see below), whose sum is σ = 103392. Its totient is φ = 43040.

The previous prime is 71039. The next prime is 71059. The reversal of 71049 is 94017.

It is an interprime number because it is at equal distance from previous prime (71039) and next prime (71059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71049 - 2⁷ = 70921 is a prime.

It is an Ulam number.

It is a Curzon number.

71049 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (12924).

2⁷¹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

71049 is a deficient number, since it is larger than the sum of its proper divisors (32343).

71049 is a wasteful number, since it uses less digits than its factorization.

71049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 71049 is about 266.5501828925. The cubic root of 71049 is about 41.4177011286.

It can be divided in two parts, 7104 and 9, that multiplied together give a palindrome (63936).

The spelling of 71049 in words is "seventy-one thousand, forty-nine".