71590 has 8 divisors (see below), whose sum is σ = 128880. Its totient is φ = 28632.

The previous prime is 71569. The next prime is 71593. The reversal of 71590 is 9517.

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

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71593) 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, 3570 + ... + 3589.

It is an arithmetic number, because the mean of its divisors is an integer number (16110).

2⁷¹⁵⁹⁰ is an apocalyptic number.

71590 is a deficient number, since it is larger than the sum of its proper divisors (57290).

71590 is a wasteful number, since it uses less digits than its factorization.

71590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 71590 is about 267.5630766754. The cubic root of 71590 is about 41.5225599505.

The spelling of 71590 in words is "seventy-one thousand, five hundred ninety".