64063771 has 4 divisors (see below), whose sum is σ = 65626344. Its totient is φ = 62501200.

The previous prime is 64063759. The next prime is 64063807. The reversal of 64063771 is 17736046.

64063771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64063771 - 2¹⁵ = 64031003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64063721) 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 3 ways as a sum of consecutive naturals, for example, 781225 + ... + 781306.

It is an arithmetic number, because the mean of its divisors is an integer number (16406586).

Almost surely, 2^64063771 is an apocalyptic number.

64063771 is a deficient number, since it is larger than the sum of its proper divisors (1562573).

64063771 is a wasteful number, since it uses less digits than its factorization.

64063771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562572.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 64063771 is about 8003.9846951378. The cubic root of 64063771 is about 400.1328121475.

The spelling of 64063771 in words is "sixty-four million, sixty-three thousand, seven hundred seventy-one".