64067043 has 4 divisors (see below), whose sum is σ = 85422728. Its totient is φ = 42711360.

The previous prime is 64067041. The next prime is 64067071. The reversal of 64067043 is 34076046.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64067043 - 2¹ = 64067041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64067043.

It is not an unprimeable number, because it can be changed into a prime (64067041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10677838 + ... + 10677843.

It is an arithmetic number, because the mean of its divisors is an integer number (21355682).

Almost surely, 2^64067043 is an apocalyptic number.

64067043 is a deficient number, since it is larger than the sum of its proper divisors (21355685).

64067043 is a wasteful number, since it uses less digits than its factorization.

64067043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355684.

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

The square root of 64067043 is about 8004.1890907199. The cubic root of 64067043 is about 400.1396241737.

The spelling of 64067043 in words is "sixty-four million, sixty-seven thousand, forty-three".