64636234 has 8 divisors (see below), whose sum is σ = 104412420. Its totient is φ = 29832096.

The previous prime is 64636223. The next prime is 64636259. The reversal of 64636234 is 43263646.

64636234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62805625 + 1830609 = 7925^2 + 1353^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 64636234.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1242979 + ... + 1243030.

Almost surely, 2^64636234 is an apocalyptic number.

64636234 is a deficient number, since it is larger than the sum of its proper divisors (39776186).

64636234 is a wasteful number, since it uses less digits than its factorization.

64636234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486024.

The product of its digits is 62208, while the sum is 34.

The square root of 64636234 is about 8039.6662866067. Note that the first 3 decimals coincide. The cubic root of 64636234 is about 401.3211193057.

The spelling of 64636234 in words is "sixty-four million, six hundred thirty-six thousand, two hundred thirty-four".