73253156 has 6 divisors (see below), whose sum is σ = 128193030. Its totient is φ = 36626576.

The previous prime is 73253149. The next prime is 73253231. The reversal of 73253156 is 65135237.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 3363556 = 8360^2 + 1834^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9156641 + ... + 9156648.

It is an arithmetic number, because the mean of its divisors is an integer number (21365505).

Almost surely, 2^73253156 is an apocalyptic number.

It is an amenable number.

73253156 is a deficient number, since it is larger than the sum of its proper divisors (54939874).

73253156 is a wasteful number, since it uses less digits than its factorization.

73253156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313293 (or 18313291 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 73253156 is about 8558.8057578146. The cubic root of 73253156 is about 418.4164785908.

The spelling of 73253156 in words is "seventy-three million, two hundred fifty-three thousand, one hundred fifty-six".