64683349 has 4 divisors (see below), whose sum is σ = 64728000. Its totient is φ = 64638700.

The previous prime is 64683301. The next prime is 64683401. The reversal of 64683349 is 94338646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64683349 - 2¹⁹ = 64159061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64683149) 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, 20077 + ... + 23074.

It is an arithmetic number, because the mean of its divisors is an integer number (16182000).

Almost surely, 2^64683349 is an apocalyptic number.

It is an amenable number.

64683349 is a deficient number, since it is larger than the sum of its proper divisors (44651).

64683349 is a wasteful number, since it uses less digits than its factorization.

64683349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44650.

The product of its digits is 373248, while the sum is 43.

The square root of 64683349 is about 8042.5959117688. The cubic root of 64683349 is about 401.4186066900.

The spelling of 64683349 in words is "sixty-four million, six hundred eighty-three thousand, three hundred forty-nine".