64534835 has 4 divisors (see below), whose sum is σ = 77441808. Its totient is φ = 51627864.

The previous prime is 64534819. The next prime is 64534837. The reversal of 64534835 is 53843546.

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 64534835 - 2⁴ = 64534819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64534837) 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, 6453479 + ... + 6453488.

It is an arithmetic number, because the mean of its divisors is an integer number (19360452).

Almost surely, 2^64534835 is an apocalyptic number.

64534835 is a deficient number, since it is larger than the sum of its proper divisors (12906973).

64534835 is a wasteful number, since it uses less digits than its factorization.

64534835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906972.

The product of its digits is 172800, while the sum is 38.

The square root of 64534835 is about 8033.3576417336. The cubic root of 64534835 is about 401.1111500889. Note that the first 4 decimals are identical.

The spelling of 64534835 in words is "sixty-four million, five hundred thirty-four thousand, eight hundred thirty-five".