63725575 has 12 divisors (see below), whose sum is σ = 79461928. Its totient is φ = 50695200.

The previous prime is 63725567. The next prime is 63725593. The reversal of 63725575 is 57552736.

It is not a de Polignac number, because 63725575 - 2³ = 63725567 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2517 + ... + 11566.

Almost surely, 2^63725575 is an apocalyptic number.

63725575 is a deficient number, since it is larger than the sum of its proper divisors (15736353).

63725575 is a wasteful number, since it uses less digits than its factorization.

63725575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274 (or 14269 counting only the distinct ones).

The product of its digits is 220500, while the sum is 40.

The square root of 63725575 is about 7982.8300119694. The cubic root of 63725575 is about 399.4274621420.

The spelling of 63725575 in words is "sixty-three million, seven hundred twenty-five thousand, five hundred seventy-five".