63320442 has 8 divisors (see below), whose sum is σ = 126640896. Its totient is φ = 21106812.

The previous prime is 63320437. The next prime is 63320471. The reversal of 63320442 is 24402336.

It is a happy number.

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

63320442 is an admirable number.

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, 5276698 + ... + 5276709.

It is an arithmetic number, because the mean of its divisors is an integer number (15830112).

Almost surely, 2^63320442 is an apocalyptic number.

63320442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63320442 is a wasteful number, since it uses less digits than its factorization.

63320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553412.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 63320442 is about 7957.4142785204. The cubic root of 63320442 is about 398.5792135565.

Adding to 63320442 its reverse (24402336), we get a palindrome (87722778).

The spelling of 63320442 in words is "sixty-three million, three hundred twenty thousand, four hundred forty-two".