64067067 has 12 divisors (see below), whose sum is σ = 97985160. Its totient is φ = 40198848.

The previous prime is 64067041. The next prime is 64067071. The reversal of 64067067 is 76076046.

64067067 is a `hidden beast` number, since 640 + 6 + 7 + 0 + 6 + 7 = 666.

It is not a de Polignac number, because 64067067 - 2⁸ = 64066811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64067077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209217 + ... + 209522.

It is an arithmetic number, because the mean of its divisors is an integer number (8165430).

Almost surely, 2^64067067 is an apocalyptic number.

64067067 is a deficient number, since it is larger than the sum of its proper divisors (33918093).

64067067 is a wasteful number, since it uses less digits than its factorization.

64067067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418762 (or 418759 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 64067067 is about 8004.1905899347. The cubic root of 64067067 is about 400.1396741388.

The spelling of 64067067 in words is "sixty-four million, sixty-seven thousand, sixty-seven".