75668233 has 4 divisors (see below), whose sum is σ = 75731328. Its totient is φ = 75605140.

The previous prime is 75668227. The next prime is 75668237. The reversal of 75668233 is 33286657.

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 75668233 - 2⁹ = 75667721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75668237) 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, 29713 + ... + 32158.

It is an arithmetic number, because the mean of its divisors is an integer number (18932832).

Almost surely, 2^75668233 is an apocalyptic number.

It is an amenable number.

75668233 is a deficient number, since it is larger than the sum of its proper divisors (63095).

75668233 is a wasteful number, since it uses less digits than its factorization.

75668233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63094.

The product of its digits is 181440, while the sum is 40.

The square root of 75668233 is about 8698.7489330363. The cubic root of 75668233 is about 422.9650968710.

The spelling of 75668233 in words is "seventy-five million, six hundred sixty-eight thousand, two hundred thirty-three".