63745375 has 8 divisors (see below), whose sum is σ = 79554384. Its totient is φ = 50996200.

The previous prime is 63745369. The next prime is 63745387. The reversal of 63745375 is 57354736.

It is not a de Polignac number, because 63745375 - 2⁵ = 63745343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 254857 + ... + 255106.

It is an arithmetic number, because the mean of its divisors is an integer number (9944298).

Almost surely, 2^63745375 is an apocalyptic number.

63745375 is a deficient number, since it is larger than the sum of its proper divisors (15809009).

63745375 is an equidigital number, since it uses as much as digits as its factorization.

63745375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509978 (or 509968 counting only the distinct ones).

The product of its digits is 264600, while the sum is 40.

The square root of 63745375 is about 7984.0700773478. The cubic root of 63745375 is about 399.4688261982.

The spelling of 63745375 in words is "sixty-three million, seven hundred forty-five thousand, three hundred seventy-five".