63748725 has 24 divisors (see below), whose sum is σ = 111600000. Its totient is φ = 31998720.

The previous prime is 63748723. The next prime is 63748739. The reversal of 63748725 is 52784736.

It is not a de Polignac number, because 63748725 - 2¹ = 63748723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63748723) 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, 23725 + ... + 26274.

It is an arithmetic number, because the mean of its divisors is an integer number (4650000).

Almost surely, 2^63748725 is an apocalyptic number.

It is an amenable number.

63748725 is a deficient number, since it is larger than the sum of its proper divisors (47851275).

63748725 is a wasteful number, since it uses less digits than its factorization.

63748725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50029 (or 50024 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 63748725 is about 7984.2798673393. The cubic root of 63748725 is about 399.4758238150.

The spelling of 63748725 in words is "sixty-three million, seven hundred forty-eight thousand, seven hundred twenty-five".