63429478 has 16 divisors (see below), whose sum is σ = 108859680. Its totient is φ = 27153216.

The previous prime is 63429473. The next prime is 63429479. The reversal of 63429478 is 87492436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63429473) 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 in 7 ways as a sum of consecutive naturals, for example, 13800 + ... + 17812.

It is an arithmetic number, because the mean of its divisors is an integer number (6803730).

Almost surely, 2^63429478 is an apocalyptic number.

63429478 is a deficient number, since it is larger than the sum of its proper divisors (45430202).

63429478 is a wasteful number, since it uses less digits than its factorization.

63429478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its digits is 290304, while the sum is 43.

The square root of 63429478 is about 7964.2625521764. The cubic root of 63429478 is about 398.8078630534.

The spelling of 63429478 in words is "sixty-three million, four hundred twenty-nine thousand, four hundred seventy-eight".