64207772 has 12 divisors (see below), whose sum is σ = 114977016. Its totient is φ = 31357200.

The previous prime is 64207757. The next prime is 64207777. The reversal of 64207772 is 27770246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64207777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186479 + ... + 186822.

It is an arithmetic number, because the mean of its divisors is an integer number (9581418).

Almost surely, 2^64207772 is an apocalyptic number.

It is an amenable number.

64207772 is a deficient number, since it is larger than the sum of its proper divisors (50769244).

64207772 is a wasteful number, since it uses less digits than its factorization.

64207772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373348 (or 373346 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 64207772 is about 8012.9752277166. The cubic root of 64207772 is about 400.4323907605.

The spelling of 64207772 in words is "sixty-four million, two hundred seven thousand, seven hundred seventy-two".