64340900 has 72 divisors (see below), whose sum is σ = 153990144. Its totient is φ = 23184000.

The previous prime is 64340893. The next prime is 64340911. The reversal of 64340900 is 904346.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 64340900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55325 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (2138752).

Almost surely, 2^64340900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64340900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76995072).

64340900 is an abundant number, since it is smaller than the sum of its proper divisors (89649244).

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

64340900 is a wasteful number, since it uses less digits than its factorization.

64340900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 64340900 is about 8021.2779530446. The cubic root of 64340900 is about 400.7089510620.

The spelling of 64340900 in words is "sixty-four million, three hundred forty thousand, nine hundred".