68840548 has 48 divisors (see below), whose sum is σ = 150837120. Its totient is φ = 26804736.

The previous prime is 68840539. The next prime is 68840561. The reversal of 68840548 is 84504886.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11311 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (3142440).

Almost surely, 2^68840548 is an apocalyptic number.

68840548 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68840548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75418560).

68840548 is an abundant number, since it is smaller than the sum of its proper divisors (81996572).

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

68840548 is a wasteful number, since it uses less digits than its factorization.

68840548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 68840548 is about 8297.0204290456. The cubic root of 68840548 is about 409.8404058608.

The spelling of 68840548 in words is "sixty-eight million, eight hundred forty thousand, five hundred forty-eight".