63452749 has 8 divisors (see below), whose sum is σ = 64629792. Its totient is φ = 62280240.

The previous prime is 63452747. The next prime is 63452801. The reversal of 63452749 is 94725436.

It is a happy number.

63452749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63452749 - 2¹ = 63452747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63452747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40902 + ... + 42424.

It is an arithmetic number, because the mean of its divisors is an integer number (8078724).

Almost surely, 2^63452749 is an apocalyptic number.

It is an amenable number.

63452749 is a deficient number, since it is larger than the sum of its proper divisors (1177043).

63452749 is a wasteful number, since it uses less digits than its factorization.

63452749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its digits is 181440, while the sum is 40.

The square root of 63452749 is about 7965.7233820915. The cubic root of 63452749 is about 398.8566286187.

The spelling of 63452749 in words is "sixty-three million, four hundred fifty-two thousand, seven hundred forty-nine".