64870241 has 8 divisors (see below), whose sum is σ = 66624768. Its totient is φ = 63124000.

The previous prime is 64870217. The next prime is 64870243. The reversal of 64870241 is 14207846.

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 64870241 - 2⁶ = 64870177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64870198 and 64870207.

It is not an unprimeable number, because it can be changed into a prime (64870243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15836 + ... + 19506.

It is an arithmetic number, because the mean of its divisors is an integer number (8328096).

Almost surely, 2^64870241 is an apocalyptic number.

It is an amenable number.

64870241 is a deficient number, since it is larger than the sum of its proper divisors (1754527).

64870241 is a wasteful number, since it uses less digits than its factorization.

64870241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 64870241 is about 8054.2064165255. The cubic root of 64870241 is about 401.8048461608.

The spelling of 64870241 in words is "sixty-four million, eight hundred seventy thousand, two hundred forty-one".