63444066 has 16 divisors (see below), whose sum is σ = 145015104. Its totient is φ = 18126864.

The previous prime is 63444061. The next prime is 63444067. The reversal of 63444066 is 66044436.

It is a super-2 number, since 2×63444066² = 8050299021224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63444061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755245 + ... + 755328.

It is an arithmetic number, because the mean of its divisors is an integer number (9063444).

Almost surely, 2^63444066 is an apocalyptic number.

63444066 is an abundant number, since it is smaller than the sum of its proper divisors (81571038).

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

63444066 is a wasteful number, since it uses less digits than its factorization.

63444066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510585.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 63444066 is about 7965.1783407530. The cubic root of 63444066 is about 398.8384343448.

The spelling of 63444066 in words is "sixty-three million, four hundred forty-four thousand, sixty-six".