63807349 has 4 divisors (see below), whose sum is σ = 64294560. Its totient is φ = 63320140.

The previous prime is 63807347. The next prime is 63807353. The reversal of 63807349 is 94370836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63807349 - 2¹ = 63807347 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63807343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243409 + ... + 243670.

It is an arithmetic number, because the mean of its divisors is an integer number (16073640).

Almost surely, 2^63807349 is an apocalyptic number.

It is an amenable number.

63807349 is a deficient number, since it is larger than the sum of its proper divisors (487211).

63807349 is a wasteful number, since it uses less digits than its factorization.

63807349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487210.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 63807349 is about 7987.9502377018. The cubic root of 63807349 is about 399.5982403581.

The spelling of 63807349 in words is "sixty-three million, eight hundred seven thousand, three hundred forty-nine".