68209120 has 48 divisors (see below), whose sum is σ = 184167648. Its totient is φ = 23385600.

The previous prime is 68209111. The next prime is 68209129. The reversal of 68209120 is 2190286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68209111) and next prime (68209129).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68209129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29331 + ... + 31570.

It is an arithmetic number, because the mean of its divisors is an integer number (3836826).

Almost surely, 2^68209120 is an apocalyptic number.

It is an amenable number.

68209120 is an abundant number, since it is smaller than the sum of its proper divisors (115958528).

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

68209120 is a wasteful number, since it uses less digits than its factorization.

68209120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60923 (or 60915 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 68209120 is about 8258.8812801735. The cubic root of 68209120 is about 408.5834916763.

The spelling of 68209120 in words is "sixty-eight million, two hundred nine thousand, one hundred twenty".