71449 has 8 divisors (see below), whose sum is σ = 83520. Its totient is φ = 59856.

The previous prime is 71443. The next prime is 71453. The reversal of 71449 is 94417.

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 71449 - 2⁹ = 70937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327 + ... + 499.

It is an arithmetic number, because the mean of its divisors is an integer number (10440).

2⁷¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

71449 is a deficient number, since it is larger than the sum of its proper divisors (12071).

71449 is a wasteful number, since it uses less digits than its factorization.

71449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its digits is 1008, while the sum is 25.

The square root of 71449 is about 267.2994575378. The cubic root of 71449 is about 41.4952817978.

The spelling of 71449 in words is "seventy-one thousand, four hundred forty-nine".