63320378 has 16 divisors (see below), whose sum is σ = 103753440. Its totient is φ = 28743600.

The previous prime is 63320371. The next prime is 63320399. The reversal of 63320378 is 87302336.

63320378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63320371) by changing a digit.

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, 21053 + ... + 23871.

It is an arithmetic number, because the mean of its divisors is an integer number (6484590).

Almost surely, 2^63320378 is an apocalyptic number.

63320378 is a deficient number, since it is larger than the sum of its proper divisors (40433062).

63320378 is a wasteful number, since it uses less digits than its factorization.

63320378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 63320378 is about 7957.4102571125. The cubic root of 63320378 is about 398.5790792708.

The spelling of 63320378 in words is "sixty-three million, three hundred twenty thousand, three hundred seventy-eight".