63432975 has 24 divisors (see below), whose sum is σ = 108262912. Its totient is φ = 32738400.

The previous prime is 63432959. The next prime is 63432977. The reversal of 63432975 is 57923436.

It is not a de Polignac number, because 63432975 - 2⁴ = 63432959 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63432977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11317 + ... + 15966.

Almost surely, 2^63432975 is an apocalyptic number.

63432975 is a deficient number, since it is larger than the sum of its proper divisors (44829937).

63432975 is a wasteful number, since it uses less digits than its factorization.

63432975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27327 (or 27322 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 63432975 is about 7964.4820923899. The cubic root of 63432975 is about 398.8151919564.

The spelling of 63432975 in words is "sixty-three million, four hundred thirty-two thousand, nine hundred seventy-five".