64738111 has 8 divisors (see below), whose sum is σ = 68342400. Its totient is φ = 61153560.

The previous prime is 64738097. The next prime is 64738151. The reversal of 64738111 is 11183746.

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

It is a cyclic number.

It is not a de Polignac number, because 64738111 - 2¹⁹ = 64213823 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 (64738151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076 + ... + 11566.

It is an arithmetic number, because the mean of its divisors is an integer number (8542800).

Almost surely, 2^64738111 is an apocalyptic number.

64738111 is a deficient number, since it is larger than the sum of its proper divisors (3604289).

64738111 is a wasteful number, since it uses less digits than its factorization.

64738111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9869.

The product of its digits is 4032, while the sum is 31.

The square root of 64738111 is about 8045.9996892866. Note that the first 3 decimals coincide. The cubic root of 64738111 is about 401.5318572943.

The spelling of 64738111 in words is "sixty-four million, seven hundred thirty-eight thousand, one hundred eleven".