71746 has 8 divisors (see below), whose sum is σ = 111420. Its totient is φ = 34608.

The previous prime is 71741. The next prime is 71761. The reversal of 71746 is 64717.

It can be written as a sum of positive squares in 2 ways, for example, as 70225 + 1521 = 265^2 + 39^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71746.

It is not an unprimeable number, because it can be changed into a prime (71741) by changing a digit.

71746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561 + ... + 676.

2⁷¹⁷⁴⁶ is an apocalyptic number.

71746 is a deficient number, since it is larger than the sum of its proper divisors (39674).

71746 is a wasteful number, since it uses less digits than its factorization.

71746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its digits is 1176, while the sum is 25.

The square root of 71746 is about 267.8544380816. The cubic root of 71746 is about 41.5526983312.

The spelling of 71746 in words is "seventy-one thousand, seven hundred forty-six".