63064421 has 12 divisors (see below), whose sum is σ = 74190060. Its totient is φ = 53444160.

The previous prime is 63064411. The next prime is 63064427. The reversal of 63064421 is 12446036.

It can be written as a sum of positive squares in 2 ways, for example, as 6964321 + 56100100 = 2639^2 + 7490^2 .

It is not a de Polignac number, because 63064421 - 2²² = 58870117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63064427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2870 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (6182505).

Almost surely, 2^63064421 is an apocalyptic number.

It is an amenable number.

63064421 is a deficient number, since it is larger than the sum of its proper divisors (11125639).

63064421 is a wasteful number, since it uses less digits than its factorization.

63064421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564 (or 14557 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 63064421 is about 7941.3110378577. The cubic root of 63064421 is about 398.0413014890.

The spelling of 63064421 in words is "sixty-three million, sixty-four thousand, four hundred twenty-one".