64279873 has 8 divisors (see below), whose sum is σ = 77784192. Its totient is φ = 51855936.

The previous prime is 64279861. The next prime is 64279877. The reversal of 64279873 is 37897246.

64279873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64279873 - 2¹³ = 64271681 is a prime.

It is a super-2 number, since 2×64279873² = 8263804145792258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64279877) 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 7 ways as a sum of consecutive naturals, for example, 269965 + ... + 270202.

It is an arithmetic number, because the mean of its divisors is an integer number (9723024).

Almost surely, 2^64279873 is an apocalyptic number.

It is an amenable number.

64279873 is a deficient number, since it is larger than the sum of its proper divisors (13504319).

64279873 is a wasteful number, since it uses less digits than its factorization.

64279873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540191.

The product of its digits is 508032, while the sum is 46.

The square root of 64279873 is about 8017.4729809336. The cubic root of 64279873 is about 400.5822208859.

The spelling of 64279873 in words is "sixty-four million, two hundred seventy-nine thousand, eight hundred seventy-three".