63067649 has 4 divisors (see below), whose sum is σ = 63193536. Its totient is φ = 62941764.

The previous prime is 63067639. The next prime is 63067651. The reversal of 63067649 is 94676036.

It is a happy number.

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 63067649 - 2²⁰ = 62019073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63067639) 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, 62189 + ... + 63194.

It is an arithmetic number, because the mean of its divisors is an integer number (15798384).

Almost surely, 2^63067649 is an apocalyptic number.

It is an amenable number.

63067649 is a deficient number, since it is larger than the sum of its proper divisors (125887).

63067649 is a wasteful number, since it uses less digits than its factorization.

63067649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125886.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 63067649 is about 7941.5142762574. The cubic root of 63067649 is about 398.0480927213.

The spelling of 63067649 in words is "sixty-three million, sixty-seven thousand, six hundred forty-nine".