71369 has 8 divisors (see below), whose sum is σ = 77760. Its totient is φ = 65296.

The previous prime is 71363. The next prime is 71387. The reversal of 71369 is 96317.

71369 = T₆₇ + T₆₈ + ... + T₈₉.

It is a happy number.

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 71369 - 2⁴ = 71353 is a prime.

It is a super-2 number, since 2×71369² = 10187068322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71363) 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, 614 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁷¹³⁶⁹ is an apocalyptic number.

It is an amenable number.

71369 is a deficient number, since it is larger than the sum of its proper divisors (6391).

71369 is a wasteful number, since it uses less digits than its factorization.

71369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its digits is 1134, while the sum is 26.

The square root of 71369 is about 267.1497707280. The cubic root of 71369 is about 41.4797888714.

The spelling of 71369 in words is "seventy-one thousand, three hundred sixty-nine".