68653284 has 96 divisors (see below), whose sum is σ = 190417920. Its totient is φ = 18845568.

The previous prime is 68653283. The next prime is 68653297. The reversal of 68653284 is 48235686.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (68653283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299682 + ... + 299910.

It is an arithmetic number, because the mean of its divisors is an integer number (1983520).

Almost surely, 2^68653284 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 68653284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95208960).

68653284 is an abundant number, since it is smaller than the sum of its proper divisors (121764636).

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

68653284 is a wasteful number, since it uses less digits than its factorization.

68653284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 68653284 is about 8285.7277290531. The cubic root of 68653284 is about 409.4684446010.

The spelling of 68653284 in words is "sixty-eight million, six hundred fifty-three thousand, two hundred eighty-four".