64067263 has 16 divisors (see below), whose sum is σ = 70682976. Its totient is φ = 57709440.

The previous prime is 64067233. The next prime is 64067279. The reversal of 64067263 is 36276046.

It is a cyclic number.

It is not a de Polignac number, because 64067263 - 2²⁵ = 30512831 is a prime.

It is a super-2 number, since 2×64067263² = 8209228376622338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067233) 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 15 ways as a sum of consecutive naturals, for example, 136956 + ... + 137422.

It is an arithmetic number, because the mean of its divisors is an integer number (4417686).

Almost surely, 2^64067263 is an apocalyptic number.

64067263 is a deficient number, since it is larger than the sum of its proper divisors (6615713).

64067263 is a wasteful number, since it uses less digits than its factorization.

64067263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 64067263 is about 8004.2028335119. The cubic root of 64067263 is about 400.1400821867.

The spelling of 64067263 in words is "sixty-four million, sixty-seven thousand, two hundred sixty-three".