68090760 has 128 divisors (see below), whose sum is σ = 230601600. Its totient is φ = 17867520.

The previous prime is 68090731. The next prime is 68090773. The reversal of 68090760 is 6709086.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 71890 + ... + 72830.

It is an arithmetic number, because the mean of its divisors is an integer number (1801575).

Almost surely, 2^68090760 is an apocalyptic number.

68090760 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 68090760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115300800).

68090760 is an abundant number, since it is smaller than the sum of its proper divisors (162510840).

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

68090760 is a wasteful number, since it uses less digits than its factorization.

68090760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 68090760 is about 8251.7125495257. The cubic root of 68090760 is about 408.3470230960.

The spelling of 68090760 in words is "sixty-eight million, ninety thousand, seven hundred sixty".