63381746 has 24 divisors (see below), whose sum is σ = 102949380. Its totient is φ = 29249792.

The previous prime is 63381743. The next prime is 63381757. The reversal of 63381746 is 64718336.

63381746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 45225625 + 18156121 = 6725^2 + 4261^2 .

It is not an unprimeable number, because it can be changed into a prime (63381743) 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 11 ways as a sum of consecutive naturals, for example, 29600 + ... + 31668.

Almost surely, 2^63381746 is an apocalyptic number.

63381746 is a deficient number, since it is larger than the sum of its proper divisors (39567634).

63381746 is a wasteful number, since it uses less digits than its factorization.

63381746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2141 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 63381746 is about 7961.2653516888. The cubic root of 63381746 is about 398.7078008821.

The spelling of 63381746 in words is "sixty-three million, three hundred eighty-one thousand, seven hundred forty-six".