68069280 has 48 divisors (see below), whose sum is σ = 214419744. Its totient is φ = 18151680.

The previous prime is 68069269. The next prime is 68069317. The reversal of 68069280 is 8296086.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 70426 + ... + 71385.

It is an arithmetic number, because the mean of its divisors is an integer number (4467078).

Almost surely, 2^68069280 is an apocalyptic number.

68069280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68069280 is an abundant number, since it is smaller than the sum of its proper divisors (146350464).

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

68069280 is a wasteful number, since it uses less digits than its factorization.

68069280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141829 (or 141821 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 68069280 is about 8250.4108988583. The cubic root of 68069280 is about 408.3040793518.

The spelling of 68069280 in words is "sixty-eight million, sixty-nine thousand, two hundred eighty".