64036641 has 8 divisors (see below), whose sum is σ = 86782144. Its totient is φ = 41991120.

The previous prime is 64036627. The next prime is 64036649. The reversal of 64036641 is 14663046.

64036641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64036641 - 2¹⁹ = 63512353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64036599 and 64036608.

It is not an unprimeable number, because it can be changed into a prime (64036649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174781 + ... + 175146.

It is an arithmetic number, because the mean of its divisors is an integer number (10847768).

Almost surely, 2^64036641 is an apocalyptic number.

64036641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

64036641 is a deficient number, since it is larger than the sum of its proper divisors (22745503).

64036641 is a wasteful number, since it uses less digits than its factorization.

64036641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349991.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64036641 is about 8002.2897348197. The cubic root of 64036641 is about 400.0763208536.

Adding to 64036641 its reverse (14663046), we get a palindrome (78699687).

The spelling of 64036641 in words is "sixty-four million, thirty-six thousand, six hundred forty-one".