68564352 has 128 divisors (see below), whose sum is σ = 193881600. Its totient is φ = 21432320.

The previous prime is 68564329. The next prime is 68564389. The reversal of 68564352 is 25346586.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 68564352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523327 + ... + 523457.

It is an arithmetic number, because the mean of its divisors is an integer number (1514700).

Almost surely, 2^68564352 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 68564352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96940800).

68564352 is an abundant number, since it is smaller than the sum of its proper divisors (125317248).

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

68564352 is a wasteful number, since it uses less digits than its factorization.

68564352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 212 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 68564352 is about 8280.3594124893. The cubic root of 68564352 is about 409.2915626390.

The spelling of 68564352 in words is "sixty-eight million, five hundred sixty-four thousand, three hundred fifty-two".