64350330 has 64 divisors (see below), whose sum is σ = 170121600. Its totient is φ = 15448320.

The previous prime is 64350329. The next prime is 64350331. The reversal of 64350330 is 3305346.

It is an interprime number because it is at equal distance from previous prime (64350329) and next prime (64350331).

It is a super-2 number, since 2×64350330² = 8281929942217800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64350330.

It is not an unprimeable number, because it can be changed into a prime (64350331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35076 + ... + 36864.

It is an arithmetic number, because the mean of its divisors is an integer number (2658150).

Almost surely, 2^64350330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64350330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85060800).

64350330 is an abundant number, since it is smaller than the sum of its proper divisors (105771270).

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

64350330 is a wasteful number, since it uses less digits than its factorization.

64350330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 64350330 is about 8021.8657430800. The cubic root of 64350330 is about 400.7285264840.

Adding to 64350330 its reverse (3305346), we get a palindrome (67655676).

The spelling of 64350330 in words is "sixty-four million, three hundred fifty thousand, three hundred thirty".