66480346 has 8 divisors (see below), whose sum is σ = 100448820. Its totient is φ = 32997408.

The previous prime is 66480343. The next prime is 66480367. The reversal of 66480346 is 64308466.

It can be written as a sum of positive squares in 2 ways, for example, as 64979721 + 1500625 = 8061^2 + 1225^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66480343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121041 + ... + 121588.

Almost surely, 2^66480346 is an apocalyptic number.

66480346 is a deficient number, since it is larger than the sum of its proper divisors (33968474).

66480346 is a wasteful number, since it uses less digits than its factorization.

66480346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242768.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 66480346 is about 8153.5480620402. The cubic root of 66480346 is about 405.1020339372.

The spelling of 66480346 in words is "sixty-six million, four hundred eighty thousand, three hundred forty-six".