64065722 has 32 divisors (see below), whose sum is σ = 113438208. Its totient is φ = 26562816.

The previous prime is 64065713. The next prime is 64065733. The reversal of 64065722 is 22756046.

64065722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 174383 + ... + 174749.

It is an arithmetic number, because the mean of its divisors is an integer number (3544944).

Almost surely, 2^64065722 is an apocalyptic number.

64065722 is a deficient number, since it is larger than the sum of its proper divisors (49372486).

64065722 is a wasteful number, since it uses less digits than its factorization.

64065722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 64065722 is about 8004.1065710047. The cubic root of 64065722 is about 400.1368739918.

The spelling of 64065722 in words is "sixty-four million, sixty-five thousand, seven hundred twenty-two".