66374342 has 4 divisors (see below), whose sum is σ = 99561516. Its totient is φ = 33187170.

The previous prime is 66374311. The next prime is 66374369. The reversal of 66374342 is 24347366.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16593584 + ... + 16593587.

It is an arithmetic number, because the mean of its divisors is an integer number (24890379).

Almost surely, 2^66374342 is an apocalyptic number.

66374342 is a deficient number, since it is larger than the sum of its proper divisors (33187174).

66374342 is a wasteful number, since it uses less digits than its factorization.

66374342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33187173.

The product of its digits is 72576, while the sum is 35.

The square root of 66374342 is about 8147.0449857602. The cubic root of 66374342 is about 404.8866054536.

The spelling of 66374342 in words is "sixty-six million, three hundred seventy-four thousand, three hundred forty-two".