64340067 has 16 divisors (see below), whose sum is σ = 96814080. Its totient is φ = 37648800.

The previous prime is 64340051. The next prime is 64340071. The reversal of 64340067 is 76004346.

64340067 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 64340067 - 2⁴ = 64340051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64340027) 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 15 ways as a sum of consecutive naturals, for example, 32659 + ... + 34572.

It is an arithmetic number, because the mean of its divisors is an integer number (6050880).

Almost surely, 2^64340067 is an apocalyptic number.

64340067 is a deficient number, since it is larger than the sum of its proper divisors (32474013).

64340067 is a wasteful number, since it uses less digits than its factorization.

64340067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67274.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 64340067 is about 8021.2260284822. The cubic root of 64340067 is about 400.7072217731.

The spelling of 64340067 in words is "sixty-four million, three hundred forty thousand, sixty-seven".