64750111 has 8 divisors (see below), whose sum is σ = 68123664. Its totient is φ = 61462080.

The previous prime is 64750099. The next prime is 64750121. The reversal of 64750111 is 11105746.

It is a happy number.

64750111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64750111 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 (64750121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19825 + ... + 22858.

It is an arithmetic number, because the mean of its divisors is an integer number (8515458).

Almost surely, 2^64750111 is an apocalyptic number.

64750111 is a deficient number, since it is larger than the sum of its proper divisors (3373553).

64750111 is a wasteful number, since it uses less digits than its factorization.

64750111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42761.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 64750111 is about 8046.7453669170. The cubic root of 64750111 is about 401.5566653737.

Adding to 64750111 its reverse (11105746), we get a palindrome (75855857).

The spelling of 64750111 in words is "sixty-four million, seven hundred fifty thousand, one hundred eleven".