64493359 has 24 divisors (see below), whose sum is σ = 80151120. Its totient is φ = 51561216.

The previous prime is 64493327. The next prime is 64493371. The reversal of 64493359 is 95339446.

It is not a de Polignac number, because 64493359 - 2⁵ = 64493327 is a prime.

Its product of digits (349920) is a multiple of the sum of its prime divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64493389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115509 + ... + 116065.

It is an arithmetic number, because the mean of its divisors is an integer number (3339630).

Almost surely, 2^64493359 is an apocalyptic number.

64493359 is a deficient number, since it is larger than the sum of its proper divisors (15657761).

64493359 is a wasteful number, since it uses less digits than its factorization.

64493359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 720 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 64493359 is about 8030.7757408609. The cubic root of 64493359 is about 401.0252014103.

The spelling of 64493359 in words is "sixty-four million, four hundred ninety-three thousand, three hundred fifty-nine".