73227253 has 4 divisors (see below), whose sum is σ = 79884288. Its totient is φ = 66570220.

The previous prime is 73227229. The next prime is 73227263. The reversal of 73227253 is 35272237.

It is the 3494-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73227253 - 2¹³ = 73219061 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73227263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328501 + ... + 3328522.

It is an arithmetic number, because the mean of its divisors is an integer number (19971072).

Almost surely, 2^73227253 is an apocalyptic number.

It is an amenable number.

73227253 is a deficient number, since it is larger than the sum of its proper divisors (6657035).

73227253 is a wasteful number, since it uses less digits than its factorization.

73227253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657034.

The product of its digits is 17640, while the sum is 31.

The square root of 73227253 is about 8557.2923871982. The cubic root of 73227253 is about 418.3671541185.

The spelling of 73227253 in words is "seventy-three million, two hundred twenty-seven thousand, two hundred fifty-three".