73775253 has 4 divisors (see below), whose sum is σ = 98367008. Its totient is φ = 49183500.

The previous prime is 73775249. The next prime is 73775263. The reversal of 73775253 is 35257737.

It is a happy 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 not a de Polignac number, because 73775253 - 2² = 73775249 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 (73775203) 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, 12295873 + ... + 12295878.

It is an arithmetic number, because the mean of its divisors is an integer number (24591752).

Almost surely, 2^73775253 is an apocalyptic number.

It is an amenable number.

73775253 is a deficient number, since it is larger than the sum of its proper divisors (24591755).

73775253 is a wasteful number, since it uses less digits than its factorization.

73775253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24591754.

The product of its digits is 154350, while the sum is 39.

The square root of 73775253 is about 8589.2521793227. The cubic root of 73775253 is about 419.4081857515.

The spelling of 73775253 in words is "seventy-three million, seven hundred seventy-five thousand, two hundred fifty-three".