68785320 has 64 divisors (see below), whose sum is σ = 217224000. Its totient is φ = 17376768.

The previous prime is 68785309. The next prime is 68785333. The reversal of 68785320 is 2358786.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 12805 + ... + 17364.

It is an arithmetic number, because the mean of its divisors is an integer number (3394125).

Almost surely, 2^68785320 is an apocalyptic number.

68785320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68785320 is an abundant number, since it is smaller than the sum of its proper divisors (148438680).

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

68785320 is a wasteful number, since it uses less digits than its factorization.

68785320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30202 (or 30198 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 68785320 is about 8293.6915785433. The cubic root of 68785320 is about 409.7307770531.

The spelling of 68785320 in words is "sixty-eight million, seven hundred eighty-five thousand, three hundred twenty".