68291120 has 40 divisors (see below), whose sum is σ = 159635616. Its totient is φ = 27168768.

The previous prime is 68291107. The next prime is 68291123. The reversal of 68291120 is 2119286.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (68291123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13229 + ... + 17651.

Almost surely, 2^68291120 is an apocalyptic number.

It is an amenable number.

68291120 is an abundant number, since it is smaller than the sum of its proper divisors (91344496).

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

68291120 is a wasteful number, since it uses less digits than its factorization.

68291120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 68291120 is about 8263.8441418023. The cubic root of 68291120 is about 408.7471571281.

The spelling of 68291120 in words is "sixty-eight million, two hundred ninety-one thousand, one hundred twenty".