64024641 has 16 divisors (see below), whose sum is σ = 97912320. Its totient is φ = 41305680.

The previous prime is 64024613. The next prime is 64024643. The reversal of 64024641 is 14642046.

It is a de Polignac number, because none of the positive numbers 2^k-64024641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64024643) 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 15 ways as a sum of consecutive naturals, for example, 37410 + ... + 39083.

It is an arithmetic number, because the mean of its divisors is an integer number (6119520).

Almost surely, 2^64024641 is an apocalyptic number.

It is an amenable number.

64024641 is a deficient number, since it is larger than the sum of its proper divisors (33887679).

64024641 is a wasteful number, since it uses less digits than its factorization.

64024641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76533 (or 76527 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 64024641 is about 8001.5399142915. The cubic root of 64024641 is about 400.0513288298.

Adding to 64024641 its reverse (14642046), we get a palindrome (78666687).

It can be divided in two parts, 640 and 24641, that added together give a square (25281 = 159²).

The spelling of 64024641 in words is "sixty-four million, twenty-four thousand, six hundred forty-one".