68751258 has 16 divisors (see below), whose sum is σ = 138507840. Its totient is φ = 22749536.

The previous prime is 68751233. The next prime is 68751259. The reversal of 68751258 is 85215786.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68751259) 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, 40998 + ... + 42641.

It is an arithmetic number, because the mean of its divisors is an integer number (8656740).

Almost surely, 2^68751258 is an apocalyptic number.

68751258 is an abundant number, since it is smaller than the sum of its proper divisors (69756582).

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

68751258 is a wasteful number, since it uses less digits than its factorization.

68751258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83781.

The product of its digits is 134400, while the sum is 42.

The square root of 68751258 is about 8291.6378357958. The cubic root of 68751258 is about 409.6631339667.

The spelling of 68751258 in words is "sixty-eight million, seven hundred fifty-one thousand, two hundred fifty-eight".