63431066 has 8 divisors (see below), whose sum is σ = 95447700. Its totient is φ = 31615168.

The previous prime is 63431047. The next prime is 63431083. The reversal of 63431066 is 66013436.

It can be written as a sum of positive squares in 2 ways, for example, as 41538025 + 21893041 = 6445^2 + 4679^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49391 + ... + 50658.

Almost surely, 2^63431066 is an apocalyptic number.

63431066 is a deficient number, since it is larger than the sum of its proper divisors (32016634).

63431066 is a wasteful number, since it uses less digits than its factorization.

63431066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100368.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63431066 is about 7964.3622469097. The cubic root of 63431066 is about 398.8111911674.

It can be divided in two parts, 634 and 31066, that multiplied together give a square (19695844 = 4438²).

The spelling of 63431066 in words is "sixty-three million, four hundred thirty-one thousand, sixty-six".