66725046 has 20 divisors (see below), whose sum is σ = 149513892. Its totient is φ = 22241628.

The previous prime is 66725041. The next prime is 66725053. The reversal of 66725046 is 64052766.

It is a self number, because there is not a number n which added to its sum of digits gives 66725046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66725041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 205780 + ... + 206103.

Almost surely, 2^66725046 is an apocalyptic number.

66725046 is an abundant number, since it is smaller than the sum of its proper divisors (82788846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66725046 is a wasteful number, since it uses less digits than its factorization.

66725046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411897 (or 411888 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 66725046 is about 8168.5400164289. The cubic root of 66725046 is about 405.5984568059.

The spelling of 66725046 in words is "sixty-six million, seven hundred twenty-five thousand, forty-six".