73255073 has 4 divisors (see below), whose sum is σ = 75781140. Its totient is φ = 70729008.

The previous prime is 73255043. The next prime is 73255087. The reversal of 73255073 is 37055237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37055237 = 613 ⋅60449.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 58262689 = 3872^2 + 7633^2 .

It is a cyclic number.

It is not a de Polignac number, because 73255073 - 2⁶ = 73255009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73255003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262990 + ... + 1263047.

It is an arithmetic number, because the mean of its divisors is an integer number (18945285).

Almost surely, 2^73255073 is an apocalyptic number.

It is an amenable number.

73255073 is a deficient number, since it is larger than the sum of its proper divisors (2526067).

73255073 is a wasteful number, since it uses less digits than its factorization.

73255073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526066.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 73255073 is about 8558.9177470052. The cubic root of 73255073 is about 418.4201284786.

The spelling of 73255073 in words is "seventy-three million, two hundred fifty-five thousand, seventy-three".