68378700 has 144 divisors (see below), whose sum is σ = 216548640. Its totient is φ = 16558080.

The previous prime is 68378683. The next prime is 68378753. The reversal of 68378700 is 787386.

It is a super-2 number, since 2×68378700² = 9351293227380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347002 + ... + 347198.

It is an arithmetic number, because the mean of its divisors is an integer number (1503810).

Almost surely, 2^68378700 is an apocalyptic number.

68378700 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 68378700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108274320).

68378700 is an abundant number, since it is smaller than the sum of its proper divisors (148169940).

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

68378700 is a wasteful number, since it uses less digits than its factorization.

68378700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 68378700 is about 8269.1414306444. The cubic root of 68378700 is about 408.9218151892.

The spelling of 68378700 in words is "sixty-eight million, three hundred seventy-eight thousand, seven hundred".