71930 has 8 divisors (see below), whose sum is σ = 129492. Its totient is φ = 28768.

The previous prime is 71917. The next prime is 71933. The reversal of 71930 is 3917.

It can be written as a sum of positive squares in 2 ways, for example, as 64009 + 7921 = 253^2 + 89^2 .

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

It is not an unprimeable number, because it can be changed into a prime (71933) 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, 3587 + ... + 3606.

2⁷¹⁹³⁰ is an apocalyptic number.

71930 is a deficient number, since it is larger than the sum of its proper divisors (57562).

71930 is a wasteful number, since it uses less digits than its factorization.

71930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 71930 is about 268.1976882824. The cubic root of 71930 is about 41.5881900647.

It can be divided in two parts, 71 and 930, that added together give a palindrome (1001).

The spelling of 71930 in words is "seventy-one thousand, nine hundred thirty".