64750023 has 48 divisors (see below), whose sum is σ = 105996800. Its totient is φ = 39261024.

The previous prime is 64750019. The next prime is 64750099. The reversal of 64750023 is 32005746.

It is a happy number.

64750023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64750023 - 2² = 64750019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64750123) 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 47 ways as a sum of consecutive naturals, for example, 325278 + ... + 325476.

Almost surely, 2^64750023 is an apocalyptic number.

64750023 is a deficient number, since it is larger than the sum of its proper divisors (41246777).

64750023 is a wasteful number, since it uses less digits than its factorization.

64750023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 64750023 is about 8046.7398988659. The cubic root of 64750023 is about 401.5564834589.

Adding to 64750023 its reverse (32005746), we get a palindrome (96755769).

The spelling of 64750023 in words is "sixty-four million, seven hundred fifty thousand, twenty-three".