63424474 has 4 divisors (see below), whose sum is σ = 95136714. Its totient is φ = 31712236.

The previous prime is 63424457. The next prime is 63424477. The reversal of 63424474 is 47442436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51912025 + 11512449 = 7205^2 + 3393^2 .

It is not an unprimeable number, because it can be changed into a prime (63424477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15856117 + ... + 15856120.

Almost surely, 2^63424474 is an apocalyptic number.

63424474 is a deficient number, since it is larger than the sum of its proper divisors (31712240).

63424474 is a wasteful number, since it uses less digits than its factorization.

63424474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31712239.

The product of its digits is 64512, while the sum is 34.

The square root of 63424474 is about 7963.9483926002. The cubic root of 63424474 is about 398.7973753586.

It can be divided in two parts, 6342 and 4474, that added together give a square (10816 = 104²).

The spelling of 63424474 in words is "sixty-three million, four hundred twenty-four thousand, four hundred seventy-four".