63312190 has 16 divisors (see below), whose sum is σ = 114306192. Its totient is φ = 25248384.

The previous prime is 63312187. The next prime is 63312239. The reversal of 63312190 is 9121336.

63312190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63312190² = 8016866805192200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6024 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (7144137).

Almost surely, 2^63312190 is an apocalyptic number.

63312190 is a deficient number, since it is larger than the sum of its proper divisors (50994002).

63312190 is a wasteful number, since it uses less digits than its factorization.

63312190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19131.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 63312190 is about 7956.8957514850. The cubic root of 63312190 is about 398.5618983554.

The spelling of 63312190 in words is "sixty-three million, three hundred twelve thousand, one hundred ninety".