64753121 has 8 divisors (see below), whose sum is σ = 69448320. Its totient is φ = 60186672.

The previous prime is 64753103. The next prime is 64753123. The reversal of 64753121 is 12135746.

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 64753121 - 2⁶ = 64753057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64753123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31145 + ... + 33158.

It is an arithmetic number, because the mean of its divisors is an integer number (8681040).

Almost surely, 2^64753121 is an apocalyptic number.

It is an amenable number.

64753121 is a deficient number, since it is larger than the sum of its proper divisors (4695199).

64753121 is a wasteful number, since it uses less digits than its factorization.

64753121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64375.

The product of its digits is 5040, while the sum is 29.

The square root of 64753121 is about 8046.9323968827. The cubic root of 64753121 is about 401.5628875861.

Adding to 64753121 its reverse (12135746), we get a palindrome (76888867).

The spelling of 64753121 in words is "sixty-four million, seven hundred fifty-three thousand, one hundred twenty-one".