63748069 has 24 divisors (see below), whose sum is σ = 81768096. Its totient is φ = 49140000.

The previous prime is 63748051. The next prime is 63748073. The reversal of 63748069 is 96084736.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-63748069 is a prime.

It is a super-2 number, since 2×63748069² = 8127632602457522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63748049) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 53854 + ... + 55024.

It is an arithmetic number, because the mean of its divisors is an integer number (3407004).

Almost surely, 2^63748069 is an apocalyptic number.

It is an amenable number.

63748069 is a deficient number, since it is larger than the sum of its proper divisors (18020027).

63748069 is a wasteful number, since it uses less digits than its factorization.

63748069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 63748069 is about 7984.2387865093. The cubic root of 63748069 is about 399.4744535547.

The spelling of 63748069 in words is "sixty-three million, seven hundred forty-eight thousand, sixty-nine".