64797208 has 48 divisors (see below), whose sum is σ = 144378720. Its totient is φ = 27171648.

The previous prime is 64797203. The next prime is 64797211. The reversal of 64797208 is 80279746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64797203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16666 + ... + 20182.

It is an arithmetic number, because the mean of its divisors is an integer number (3007890).

Almost surely, 2^64797208 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 64797208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72189360).

64797208 is an abundant number, since it is smaller than the sum of its proper divisors (79581512).

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

64797208 is a wasteful number, since it uses less digits than its factorization.

64797208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 64797208 is about 8049.6712976369. The cubic root of 64797208 is about 401.6540012726.

The spelling of 64797208 in words is "sixty-four million, seven hundred ninety-seven thousand, two hundred eight".