64760321 has 8 divisors (see below), whose sum is σ = 65249280. Its totient is φ = 64273792.

The previous prime is 64760299. The next prime is 64760351. The reversal of 64760321 is 12306746.

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 64760321 - 2¹⁰ = 64759297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64760351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134960 + ... + 135438.

It is an arithmetic number, because the mean of its divisors is an integer number (8156160).

Almost surely, 2^64760321 is an apocalyptic number.

It is an amenable number.

64760321 is a deficient number, since it is larger than the sum of its proper divisors (488959).

64760321 is a wasteful number, since it uses less digits than its factorization.

64760321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 64760321 is about 8047.3797598970. The cubic root of 64760321 is about 401.5777705014.

The spelling of 64760321 in words is "sixty-four million, seven hundred sixty thousand, three hundred twenty-one".