64465336 has 32 divisors (see below), whose sum is σ = 130959360. Its totient is φ = 29572992.

The previous prime is 64465333. The next prime is 64465339. The reversal of 64465336 is 63356446.

It is an interprime number because it is at equal distance from previous prime (64465333) and next prime (64465339).

It is a junction number, because it is equal to n+sod(n) for n = 64465295 and 64465304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64465333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16201 + ... + 19783.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^64465336 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 64465336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65479680).

64465336 is an abundant number, since it is smaller than the sum of its proper divisors (66494024).

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

64465336 is a wasteful number, since it uses less digits than its factorization.

64465336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3771 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 64465336 is about 8029.0308256975. The cubic root of 64465336 is about 400.9671098618.

The spelling of 64465336 in words is "sixty-four million, four hundred sixty-five thousand, three hundred thirty-six".