66034742 has 16 divisors (see below), whose sum is σ = 100818432. Its totient is φ = 32433960.

The previous prime is 66034739. The next prime is 66034789. The reversal of 66034742 is 24743066.

It is a junction number, because it is equal to n+sod(n) for n = 66034699 and 66034708.

It is a congruent number.

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, 25763 + ... + 28209.

It is an arithmetic number, because the mean of its divisors is an integer number (6301152).

Almost surely, 2^66034742 is an apocalyptic number.

66034742 is a deficient number, since it is larger than the sum of its proper divisors (34783690).

66034742 is a wasteful number, since it uses less digits than its factorization.

66034742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 66034742 is about 8126.1763456130. The cubic root of 66034742 is about 404.1948990989.

The spelling of 66034742 in words is "sixty-six million, thirty-four thousand, seven hundred forty-two".