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68758674 = 2311459779
BaseRepresentation
bin1000001100100…
…10110010010010
311210101022011120
410012102302102
5120100234144
610453423110
71463303415
oct406226222
9153338146
1068758674
11358a3456
121b03aa96
131132580a
1491bbb7c
156082e19
hex4192c92

68758674 has 8 divisors (see below), whose sum is σ = 137517360. Its totient is φ = 22919556.

The previous prime is 68758673. The next prime is 68758717. The reversal of 68758674 is 47685786.

It is a sphenic number, since it is the product of 3 distinct primes.

68758674 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68758673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5729884 + ... + 5729895.

It is an arithmetic number, because the mean of its divisors is an integer number (17189670).

Almost surely, 268758674 is an apocalyptic number.

68758674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68758674 is a wasteful number, since it uses less digits than its factorization.

68758674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459784.

The product of its digits is 2257920, while the sum is 51.

The square root of 68758674 is about 8292.0850212718. The cubic root of 68758674 is about 409.6778631642.

The spelling of 68758674 in words is "sixty-eight million, seven hundred fifty-eight thousand, six hundred seventy-four".

Divisors: 1 2 3 6 11459779 22919558 34379337 68758674