64043667423074 has 8 divisors (see below), whose sum is σ = 96066640292700. Its totient is φ = 32021453992176.

The previous prime is 64043667423041. The next prime is 64043667423091. The reversal of 64043667423074 is 47032476634046.

It can be written as a sum of positive squares in 2 ways, for example, as 61020391518025 + 3023275905049 = 7811555^2 + 1738757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189648809 + ... + 189986204.

Almost surely, 2^{64043667423074} is an apocalyptic number.

64043667423074 is a deficient number, since it is larger than the sum of its proper divisors (32022972869626).

64043667423074 is a wasteful number, since it uses less digits than its factorization.

64043667423074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379719364.

The product of its (nonzero) digits is 48771072, while the sum is 56.

The spelling of 64043667423074 in words is "sixty-four trillion, forty-three billion, six hundred sixty-seven million, four hundred twenty-three thousand, seventy-four".