66725342 has 8 divisors (see below), whose sum is σ = 101784600. Its totient is φ = 32797144.

The previous prime is 66725341. The next prime is 66725353. The reversal of 66725342 is 24352766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66725341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 282617 + ... + 282852.

It is an arithmetic number, because the mean of its divisors is an integer number (12723075).

Almost surely, 2^66725342 is an apocalyptic number.

66725342 is a deficient number, since it is larger than the sum of its proper divisors (35059258).

66725342 is a wasteful number, since it uses less digits than its factorization.

66725342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565530.

The product of its digits is 60480, while the sum is 35.

The square root of 66725342 is about 8168.5581347016. The cubic root of 66725342 is about 405.5990565655.

The spelling of 66725342 in words is "sixty-six million, seven hundred twenty-five thousand, three hundred forty-two".