75433066 has 4 divisors (see below), whose sum is σ = 113149602. Its totient is φ = 37716532.

The previous prime is 75433049. The next prime is 75433081. The reversal of 75433066 is 66033457.

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

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 1042441 = 8625^2 + 1021^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18858265 + ... + 18858268.

Almost surely, 2^75433066 is an apocalyptic number.

75433066 is a deficient number, since it is larger than the sum of its proper divisors (37716536).

75433066 is a wasteful number, since it uses less digits than its factorization.

75433066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37716535.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 75433066 is about 8685.2211255673. The cubic root of 75433066 is about 422.5264687034.

It can be divided in two parts, 7543 and 3066, that added together give a square (10609 = 103²).

The spelling of 75433066 in words is "seventy-five million, four hundred thirty-three thousand, sixty-six".