66932450 has 54 divisors (see below), whose sum is σ = 136339209. Its totient is φ = 24435840.

The previous prime is 66932419. The next prime is 66932473. The reversal of 66932450 is 5423966.

It can be written as a sum of positive squares in 14 ways, for example, as 38725729 + 28206721 = 6223^2 + 5311^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5785.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66932450.

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 26 ways as a sum of consecutive naturals, for example, 752006 + ... + 752094.

Almost surely, 2^66932450 is an apocalyptic number.

66932450 is an abundant number, since it is smaller than the sum of its proper divisors (69406759).

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

66932450 is a wasteful number, since it uses less digits than its factorization.

66932450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 66932450 is about 8181.2254583284. The cubic root of 66932450 is about 406.0182678410.

The spelling of 66932450 in words is "sixty-six million, nine hundred thirty-two thousand, four hundred fifty".