64044741 has 4 divisors (see below), whose sum is σ = 85392992. Its totient is φ = 42696492.

The previous prime is 64044737. The next prime is 64044751. The reversal of 64044741 is 14744046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64044741 - 2² = 64044737 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 = 64044699 and 64044708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64044751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10674121 + ... + 10674126.

It is an arithmetic number, because the mean of its divisors is an integer number (21348248).

Almost surely, 2^64044741 is an apocalyptic number.

It is an amenable number.

64044741 is a deficient number, since it is larger than the sum of its proper divisors (21348251).

64044741 is a wasteful number, since it uses less digits than its factorization.

64044741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21348250.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 64044741 is about 8002.7958239605. The cubic root of 64044741 is about 400.0931887046.

Adding to 64044741 its reverse (14744046), we get a palindrome (78788787).

The spelling of 64044741 in words is "sixty-four million, forty-four thousand, seven hundred forty-one".