63345424 has 10 divisors (see below), whose sum is σ = 122731790. Its totient is φ = 31672704.

The previous prime is 63345421. The next prime is 63345433. The reversal of 63345424 is 42454336.

It can be written as a sum of positive squares in only one way, i.e., 61905424 + 1440000 = 7868^2 + 1200^2 .

It is not an unprimeable number, because it can be changed into a prime (63345421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1979529 + ... + 1979560.

It is an arithmetic number, because the mean of its divisors is an integer number (12273179).

Almost surely, 2^63345424 is an apocalyptic number.

It is an amenable number.

63345424 is a deficient number, since it is larger than the sum of its proper divisors (59386366).

63345424 is a wasteful number, since it uses less digits than its factorization.

63345424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959097 (or 3959091 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 63345424 is about 7958.9838547392. The cubic root of 63345424 is about 398.6316242072.

The spelling of 63345424 in words is "sixty-three million, three hundred forty-five thousand, four hundred twenty-four".