64683743 has 4 divisors (see below), whose sum is σ = 65649240. Its totient is φ = 63718248.

The previous prime is 64683727. The next prime is 64683781. The reversal of 64683743 is 34738646.

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

It is a cyclic number.

It is not a de Polignac number, because 64683743 - 2⁴ = 64683727 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 64683743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64680743) 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, 482648 + ... + 482781.

It is an arithmetic number, because the mean of its divisors is an integer number (16412310).

Almost surely, 2^64683743 is an apocalyptic number.

64683743 is a deficient number, since it is larger than the sum of its proper divisors (965497).

64683743 is an equidigital number, since it uses as much as digits as its factorization.

64683743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965496.

The product of its digits is 290304, while the sum is 41.

The square root of 64683743 is about 8042.6204063104. The cubic root of 64683743 is about 401.4194217303.

The spelling of 64683743 in words is "sixty-four million, six hundred eighty-three thousand, seven hundred forty-three".