6464727360 has 672 divisors, whose sum is σ = 28997160192. Its totient is φ = 1282867200.

The previous prime is 6464727359. The next prime is 6464727361. The reversal of 6464727360 is 637274646.

It is an interprime number because it is at equal distance from previous prime (6464727359) and next prime (6464727361).

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464727361) 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 95 ways as a sum of consecutive naturals, for example, 4454635 + ... + 4456085.

It is an arithmetic number, because the mean of its divisors is an integer number (43150536).

Almost surely, 2^6464727360 is an apocalyptic number.

6464727360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6464727360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14498580096).

6464727360 is an abundant number, since it is smaller than the sum of its proper divisors (22532432832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6464727360 is a wasteful number, since it uses less digits than its factorization.

6464727360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The square root of 6464727360 is about 80403.5282807913. The cubic root of 6464727360 is about 1862.8736710133.

The spelling of 6464727360 in words is "six billion, four hundred sixty-four million, seven hundred twenty-seven thousand, three hundred sixty".