68744120 has 32 divisors (see below), whose sum is σ = 156103200. Its totient is φ = 27243648.

The previous prime is 68744119. The next prime is 68744129. The reversal of 68744120 is 2144786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68744129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3524 + ... + 12243.

It is an arithmetic number, because the mean of its divisors is an integer number (4878225).

Almost surely, 2^68744120 is an apocalyptic number.

It is an amenable number.

68744120 is an abundant number, since it is smaller than the sum of its proper divisors (87359080).

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

68744120 is a wasteful number, since it uses less digits than its factorization.

68744120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15887 (or 15883 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 68744120 is about 8291.2073909654. The cubic root of 68744120 is about 409.6489559151.

The spelling of 68744120 in words is "sixty-eight million, seven hundred forty-four thousand, one hundred twenty".