64772241 has 8 divisors (see below), whose sum is σ = 86685120. Its totient is φ = 43020432.

The previous prime is 64772231. The next prime is 64772249. The reversal of 64772241 is 14227746.

64772241 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 64772241 - 2⁶ = 64772177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64772249) 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, 39325 + ... + 40938.

It is an arithmetic number, because the mean of its divisors is an integer number (10835640).

Almost surely, 2^64772241 is an apocalyptic number.

It is an amenable number.

64772241 is a deficient number, since it is larger than the sum of its proper divisors (21912879).

64772241 is a wasteful number, since it uses less digits than its factorization.

64772241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80535.

The product of its digits is 18816, while the sum is 33.

The square root of 64772241 is about 8048.1203395576. The cubic root of 64772241 is about 401.6024075697.

Adding to 64772241 its reverse (14227746), we get a palindrome (78999987).

The spelling of 64772241 in words is "sixty-four million, seven hundred seventy-two thousand, two hundred forty-one".