66424754 has 16 divisors (see below), whose sum is σ = 112202496. Its totient is φ = 29218800.

The previous prime is 66424733. The next prime is 66424777. The reversal of 66424754 is 45742466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48017 + ... + 49380.

It is an arithmetic number, because the mean of its divisors is an integer number (7012656).

Almost surely, 2^66424754 is an apocalyptic number.

66424754 is a deficient number, since it is larger than the sum of its proper divisors (45777742).

66424754 is a wasteful number, since it uses less digits than its factorization.

66424754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97441.

The product of its digits is 161280, while the sum is 38.

The square root of 66424754 is about 8150.1382810355. The cubic root of 66424754 is about 404.9890847030.

The spelling of 66424754 in words is "sixty-six million, four hundred twenty-four thousand, seven hundred fifty-four".