75533668 has 24 divisors (see below), whose sum is σ = 151757312. Its totient is φ = 32223744.

The previous prime is 75533663. The next prime is 75533729. The reversal of 75533668 is 86633557.

It is not an unprimeable number, because it can be changed into a prime (75533663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 12292.

Almost surely, 2^75533668 is an apocalyptic number.

It is an amenable number.

75533668 is an abundant number, since it is smaller than the sum of its proper divisors (76223644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75533668 is a wasteful number, since it uses less digits than its factorization.

75533668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331 (or 12329 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 75533668 is about 8691.0107582490. The cubic root of 75533668 is about 422.7142206953.

The spelling of 75533668 in words is "seventy-five million, five hundred thirty-three thousand, six hundred sixty-eight".