63748249 has 16 divisors (see below), whose sum is σ = 74148480. Its totient is φ = 54362880.

The previous prime is 63748247. The next prime is 63748259. The reversal of 63748249 is 94284736.

It is a cyclic number.

It is not a de Polignac number, because 63748249 - 2¹ = 63748247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63748247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139 + ... + 11719.

It is an arithmetic number, because the mean of its divisors is an integer number (4634280).

Almost surely, 2^63748249 is an apocalyptic number.

It is an amenable number.

63748249 is a deficient number, since it is larger than the sum of its proper divisors (10400231).

63748249 is a wasteful number, since it uses less digits than its factorization.

63748249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640.

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

The square root of 63748249 is about 7984.2500587093. The cubic root of 63748249 is about 399.4748295417.

The spelling of 63748249 in words is "sixty-three million, seven hundred forty-eight thousand, two hundred forty-nine".