64334130 has 64 divisors (see below), whose sum is σ = 178633728. Its totient is φ = 14523840.

The previous prime is 64334129. The next prime is 64334143. The reversal of 64334130 is 3143346.

It is a self number, because there is not a number n which added to its sum of digits gives 64334130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15585 + ... + 19275.

It is an arithmetic number, because the mean of its divisors is an integer number (2791152).

Almost surely, 2^64334130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64334130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89316864).

64334130 is an abundant number, since it is smaller than the sum of its proper divisors (114299598).

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

64334130 is a wasteful number, since it uses less digits than its factorization.

64334130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 64334130 is about 8020.8559393621. The cubic root of 64334130 is about 400.6948962656.

Adding to 64334130 its reverse (3143346), we get a palindrome (67477476).

The spelling of 64334130 in words is "sixty-four million, three hundred thirty-four thousand, one hundred thirty".