64706463 has 6 divisors (see below), whose sum is σ = 93464904. Its totient is φ = 43137636.

The previous prime is 64706459. The next prime is 64706483. The reversal of 64706463 is 36460746.

64706463 is a `hidden beast` number, since 6 + 4 + 7 + 0 + 646 + 3 = 666.

64706463 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 64706463 - 2² = 64706459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64706483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3594795 + ... + 3594812.

It is an arithmetic number, because the mean of its divisors is an integer number (15577484).

Almost surely, 2^64706463 is an apocalyptic number.

64706463 is a deficient number, since it is larger than the sum of its proper divisors (28758441).

64706463 is a wasteful number, since it uses less digits than its factorization.

64706463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189613 (or 7189610 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 64706463 is about 8044.0327572680. The cubic root of 64706463 is about 401.4664154118.

The spelling of 64706463 in words is "sixty-four million, seven hundred six thousand, four hundred sixty-three".