71030 has 8 divisors (see below), whose sum is σ = 127872. Its totient is φ = 28408.

The previous prime is 71023. The next prime is 71039. The reversal of 71030 is 3017.

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

It is a Curzon number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (15984).

2⁷¹⁰³⁰ is an apocalyptic number.

71030 is a deficient number, since it is larger than the sum of its proper divisors (56842).

71030 is a wasteful number, since it uses less digits than its factorization.

71030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 71030 is about 266.5145399411. The cubic root of 71030 is about 41.4140088107.

Adding to 71030 its reverse (3017), we get a palindrome (74047).

The spelling of 71030 in words is "seventy-one thousand, thirty".