64624241 has 8 divisors (see below), whose sum is σ = 72219168. Its totient is φ = 57316000.

The previous prime is 64624229. The next prime is 64624253. The reversal of 64624241 is 14242646.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64624229) and next prime (64624253).

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 64624241 - 2⁶ = 64624177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64624541) 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, 71195 + ... + 72096.

It is an arithmetic number, because the mean of its divisors is an integer number (9027396).

Almost surely, 2^64624241 is an apocalyptic number.

It is an amenable number.

64624241 is a deficient number, since it is larger than the sum of its proper divisors (7594927).

64624241 is a wasteful number, since it uses less digits than its factorization.

64624241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143343.

The product of its digits is 9216, while the sum is 29.

The square root of 64624241 is about 8038.9203877138. The cubic root of 64624241 is about 401.2962965832.

Adding to 64624241 its reverse (14242646), we get a palindrome (78866887).

The spelling of 64624241 in words is "sixty-four million, six hundred twenty-four thousand, two hundred forty-one".