73800253 has 4 divisors (see below), whose sum is σ = 73916028. Its totient is φ = 73684480.

The previous prime is 73800239. The next prime is 73800269. The reversal of 73800253 is 35200837.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58094884 + 15705369 = 7622^2 + 3963^2 .

It is a cyclic number.

It is not a de Polignac number, because 73800253 - 2⁹ = 73799741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73800203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56926 + ... + 58207.

It is an arithmetic number, because the mean of its divisors is an integer number (18479007).

Almost surely, 2^73800253 is an apocalyptic number.

It is an amenable number.

73800253 is a deficient number, since it is larger than the sum of its proper divisors (115775).

73800253 is a wasteful number, since it uses less digits than its factorization.

73800253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115774.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 73800253 is about 8590.7073631919. The cubic root of 73800253 is about 419.4555549351.

The spelling of 73800253 in words is "seventy-three million, eight hundred thousand, two hundred fifty-three".