63472727 has 4 divisors (see below), whose sum is σ = 63556896. Its totient is φ = 63388560.

The previous prime is 63472693. The next prime is 63472751. The reversal of 63472727 is 72727436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63472727 - 2¹⁰ = 63471703 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 (63472777) 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, 40943 + ... + 42464.

It is an arithmetic number, because the mean of its divisors is an integer number (15889224).

Almost surely, 2^63472727 is an apocalyptic number.

63472727 is a deficient number, since it is larger than the sum of its proper divisors (84169).

63472727 is an equidigital number, since it uses as much as digits as its factorization.

63472727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84168.

The product of its digits is 98784, while the sum is 38.

The square root of 63472727 is about 7966.9772812529. The cubic root of 63472727 is about 398.8984840241.

The spelling of 63472727 in words is "sixty-three million, four hundred seventy-two thousand, seven hundred twenty-seven".