64243467 has 12 divisors (see below), whose sum is σ = 92868360. Its totient is φ = 42795648.

The previous prime is 64243453. The next prime is 64243477. The reversal of 64243467 is 76434246.

64243467 is a `hidden beast` number, since 642 + 4 + 3 + 4 + 6 + 7 = 666.

64243467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64243467 - 2⁴ = 64243451 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64243477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16384 + ... + 19922.

It is an arithmetic number, because the mean of its divisors is an integer number (7739030).

Almost surely, 2^64243467 is an apocalyptic number.

64243467 is a deficient number, since it is larger than the sum of its proper divisors (28624893).

64243467 is a wasteful number, since it uses less digits than its factorization.

64243467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5559 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 64243467 is about 8015.2022432375. The cubic root of 64243467 is about 400.5065810848.

The spelling of 64243467 in words is "sixty-four million, two hundred forty-three thousand, four hundred sixty-seven".