64226745 has 48 divisors (see below), whose sum is σ = 127857600. Its totient is φ = 29496960.

The previous prime is 64226737. The next prime is 64226749. The reversal of 64226745 is 54762246.

64226745 is a `hidden beast` number, since 642 + 2 + 6 + 7 + 4 + 5 = 666.

64226745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64226745 - 2³ = 64226737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64226749) 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 47 ways as a sum of consecutive naturals, for example, 5991 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (2663700).

Almost surely, 2^64226745 is an apocalyptic number.

It is an amenable number.

64226745 is a deficient number, since it is larger than the sum of its proper divisors (63630855).

64226745 is a wasteful number, since it uses less digits than its factorization.

64226745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870 (or 6867 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 64226745 is about 8014.1590326122. The cubic root of 64226745 is about 400.4718286422.

The spelling of 64226745 in words is "sixty-four million, two hundred twenty-six thousand, seven hundred forty-five".