68955042 has 32 divisors (see below), whose sum is σ = 149425920. Its totient is φ = 21212880.

The previous prime is 68955041. The next prime is 68955097. The reversal of 68955042 is 24055986.

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

It is not an unprimeable number, because it can be changed into a prime (68955041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10567 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (4669560).

Almost surely, 2^68955042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68955042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74712960).

68955042 is an abundant number, since it is smaller than the sum of its proper divisors (80470878).

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

68955042 is a wasteful number, since it uses less digits than its factorization.

68955042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 68955042 is about 8303.9172683740. The cubic root of 68955042 is about 410.0674923593.

The spelling of 68955042 in words is "sixty-eight million, nine hundred fifty-five thousand, forty-two".