73156 has 6 divisors (see below), whose sum is σ = 128030. Its totient is φ = 36576.

The previous prime is 73141. The next prime is 73181. The reversal of 73156 is 65137.

It can be written as a sum of positive squares in only one way, i.e., 72900 + 256 = 270^2 + 16^2 .

It is a magnanimous number.

It is an unprimeable number.

73156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9141 + ... + 9148.

2⁷³¹⁵⁶ is an apocalyptic number.

It is an amenable number.

73156 is a deficient number, since it is larger than the sum of its proper divisors (54874).

73156 is a wasteful number, since it uses less digits than its factorization.

73156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18293 (or 18291 counting only the distinct ones).

The product of its digits is 630, while the sum is 22.

The square root of 73156 is about 270.4736586065. The cubic root of 73156 is about 41.8231414178.

It can be divided in two parts, 731 and 56, that added together give a palindrome (787).

The spelling of 73156 in words is "seventy-three thousand, one hundred fifty-six".