63749113 has 8 divisors (see below), whose sum is σ = 67585280. Its totient is φ = 60024240.

The previous prime is 63749111. The next prime is 63749131. The reversal of 63749113 is 31194736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63749113 - 2¹ = 63749111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63749111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26643 + ... + 28936.

It is an arithmetic number, because the mean of its divisors is an integer number (8448160).

Almost surely, 2^63749113 is an apocalyptic number.

It is an amenable number.

63749113 is a deficient number, since it is larger than the sum of its proper divisors (3836167).

63749113 is a wasteful number, since it uses less digits than its factorization.

63749113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55647.

The product of its digits is 13608, while the sum is 34.

The square root of 63749113 is about 7984.3041650478. The cubic root of 63749113 is about 399.4766342694.

The spelling of 63749113 in words is "sixty-three million, seven hundred forty-nine thousand, one hundred thirteen".