63479673 has 8 divisors (see below), whose sum is σ = 94044000. Its totient is φ = 42319764.

The previous prime is 63479659. The next prime is 63479681. The reversal of 63479673 is 37697436.

63479673 is a `hidden beast` number, since 634 + 7 + 9 + 6 + 7 + 3 = 666.

It is not a de Polignac number, because 63479673 - 2⁸ = 63479417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63479473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175523 + ... + 1175576.

It is an arithmetic number, because the mean of its divisors is an integer number (11755500).

Almost surely, 2^63479673 is an apocalyptic number.

It is an amenable number.

63479673 is a deficient number, since it is larger than the sum of its proper divisors (30564327).

63479673 is a wasteful number, since it uses less digits than its factorization.

63479673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351108 (or 2351102 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 63479673 is about 7967.4131937537. The cubic root of 63479673 is about 398.9130343564.

The spelling of 63479673 in words is "sixty-three million, four hundred seventy-nine thousand, six hundred seventy-three".