64354500 has 240 divisors, whose sum is σ = 241008768. Its totient is φ = 14644800.

The previous prime is 64354453. The next prime is 64354513. The reversal of 64354500 is 545346.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 283387 + ... + 283613.

Almost surely, 2^64354500 is an apocalyptic number.

64354500 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 64354500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120504384).

64354500 is an abundant number, since it is smaller than the sum of its proper divisors (176654268).

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

64354500 is a wasteful number, since it uses less digits than its factorization.

64354500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 64354500 is about 8022.1256534662. The cubic root of 64354500 is about 400.7371822379.

Adding to 64354500 its reverse (545346), we get a palindrome (64899846).

The spelling of 64354500 in words is "sixty-four million, three hundred fifty-four thousand, five hundred".