73706 has 8 divisors (see below), whose sum is σ = 111780. Its totient is φ = 36448.

The previous prime is 73699. The next prime is 73709. The reversal of 73706 is 60737.

It can be written as a sum of positive squares in 2 ways, for example, as 70225 + 3481 = 265^2 + 59^2 .

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 (73709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 408.

2⁷³⁷⁰⁶ is an apocalyptic number.

73706 is a deficient number, since it is larger than the sum of its proper divisors (38074).

73706 is a wasteful number, since it uses less digits than its factorization.

73706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 73706 is about 271.4884896271. The cubic root of 73706 is about 41.9276911524.

The spelling of 73706 in words is "seventy-three thousand, seven hundred six".