64544361 has 8 divisors (see below), whose sum is σ = 98353344. Its totient is φ = 36882480.

The previous prime is 64544351. The next prime is 64544413. The reversal of 64544361 is 16344546.

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

It is not a de Polignac number, because 64544361 - 2¹⁰ = 64543337 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64544351) 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, 1536750 + ... + 1536791.

It is an arithmetic number, because the mean of its divisors is an integer number (12294168).

Almost surely, 2^64544361 is an apocalyptic number.

It is an amenable number.

64544361 is a deficient number, since it is larger than the sum of its proper divisors (33808983).

64544361 is a wasteful number, since it uses less digits than its factorization.

64544361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073551.

The product of its digits is 34560, while the sum is 33.

The square root of 64544361 is about 8033.9505226258. The cubic root of 64544361 is about 401.1308851505.

The spelling of 64544361 in words is "sixty-four million, five hundred forty-four thousand, three hundred sixty-one".