63375066 has 12 divisors (see below), whose sum is σ = 137312682. Its totient is φ = 21125016.

The previous prime is 63375061. The next prime is 63375073. The reversal of 63375066 is 66057336.

It can be written as a sum of positive squares in only one way, i.e., 41332041 + 22043025 = 6429^2 + 4695^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63375066.

It is not an unprimeable number, because it can be changed into a prime (63375061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1760401 + ... + 1760436.

Almost surely, 2^63375066 is an apocalyptic number.

63375066 is an abundant number, since it is smaller than the sum of its proper divisors (73937616).

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

63375066 is a wasteful number, since it uses less digits than its factorization.

63375066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520845 (or 3520842 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 63375066 is about 7960.8458093346. The cubic root of 63375066 is about 398.6937933702.

The spelling of 63375066 in words is "sixty-three million, three hundred seventy-five thousand, sixty-six".