75117233 has 4 divisors (see below), whose sum is σ = 76715520. Its totient is φ = 73518948.

The previous prime is 75117227. The next prime is 75117257. The reversal of 75117233 is 33271157.

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 75117233 - 2¹⁸ = 74855089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75117196 and 75117205.

It is not an unprimeable number, because it can be changed into a prime (75117223) 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, 799073 + ... + 799166.

It is an arithmetic number, because the mean of its divisors is an integer number (19178880).

Almost surely, 2^75117233 is an apocalyptic number.

It is an amenable number.

75117233 is a deficient number, since it is larger than the sum of its proper divisors (1598287).

75117233 is a wasteful number, since it uses less digits than its factorization.

75117233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598286.

The product of its digits is 4410, while the sum is 29.

The square root of 75117233 is about 8667.0198453678. The cubic root of 75117233 is about 421.9359474671.

The spelling of 75117233 in words is "seventy-five million, one hundred seventeen thousand, two hundred thirty-three".