64067271 has 16 divisors (see below), whose sum is σ = 91256544. Its totient is φ = 39839744.

The previous prime is 64067233. The next prime is 64067279. The reversal of 64067271 is 17276046.

It is a cyclic number.

It is not a de Polignac number, because 64067271 - 2¹⁴ = 64050887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (5703534).

Almost surely, 2^64067271 is an apocalyptic number.

64067271 is a deficient number, since it is larger than the sum of its proper divisors (27189273).

64067271 is a wasteful number, since it uses less digits than its factorization.

64067271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 64067271 is about 8004.2033332493. The cubic root of 64067271 is about 400.1400988417.

The spelling of 64067271 in words is "sixty-four million, sixty-seven thousand, two hundred seventy-one".