75424066 has 16 divisors (see below), whose sum is σ = 115346880. Its totient is φ = 36978480.

The previous prime is 75424057. The next prime is 75424109. The reversal of 75424066 is 66042457.

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 in 7 ways as a sum of consecutive naturals, for example, 77515 + ... + 78481.

It is an arithmetic number, because the mean of its divisors is an integer number (7209180).

Almost surely, 2^75424066 is an apocalyptic number.

75424066 is a deficient number, since it is larger than the sum of its proper divisors (39922814).

75424066 is a wasteful number, since it uses less digits than its factorization.

75424066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 75424066 is about 8684.7029885886. The cubic root of 75424066 is about 422.5096640064.

The spelling of 75424066 in words is "seventy-five million, four hundred twenty-four thousand, sixty-six".