68778360 has 192 divisors, whose sum is σ = 261144000. Its totient is φ = 15692544.

The previous prime is 68778331. The next prime is 68778377. The reversal of 68778360 is 6387786.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123202 + ... + 123758.

It is an arithmetic number, because the mean of its divisors is an integer number (1360125).

Almost surely, 2^68778360 is an apocalyptic number.

68778360 is a gapful number since it is divisible by the number (60) 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 68778360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130572000).

68778360 is an abundant number, since it is smaller than the sum of its proper divisors (192365640).

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

68778360 is a wasteful number, since it uses less digits than its factorization.

68778360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 68778360 is about 8293.2719719059. The cubic root of 68778360 is about 409.7169571354.

The spelling of 68778360 in words is "sixty-eight million, seven hundred seventy-eight thousand, three hundred sixty".