64917441 has 24 divisors (see below), whose sum is σ = 102495744. Its totient is φ = 39415680.

The previous prime is 64917403. The next prime is 64917451. The reversal of 64917441 is 14471946.

64917441 is a `hidden beast` number, since 649 + 1 + 7 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 64917441 - 2¹¹ = 64915393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64917396 and 64917405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64917451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2101 + ... + 11586.

It is an arithmetic number, because the mean of its divisors is an integer number (4270656).

Almost surely, 2^64917441 is an apocalyptic number.

It is an amenable number.

64917441 is a deficient number, since it is larger than the sum of its proper divisors (37578303).

64917441 is a wasteful number, since it uses less digits than its factorization.

64917441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13741 (or 13738 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 64917441 is about 8057.1360296324. The cubic root of 64917441 is about 401.9022744554.

The spelling of 64917441 in words is "sixty-four million, nine hundred seventeen thousand, four hundred forty-one".