68941747 has 16 divisors (see below), whose sum is σ = 83174400. Its totient is φ = 55823040.

The previous prime is 68941703. The next prime is 68941751. The reversal of 68941747 is 74714986.

It is not a de Polignac number, because 68941747 - 2²³ = 60553139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68941697 and 68941706.

It is not an unprimeable number, because it can be changed into a prime (68941777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75222 + ... + 76132.

It is an arithmetic number, because the mean of its divisors is an integer number (5198400).

Almost surely, 2^68941747 is an apocalyptic number.

68941747 is a deficient number, since it is larger than the sum of its proper divisors (14232653).

68941747 is a wasteful number, since it uses less digits than its factorization.

68941747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its digits is 338688, while the sum is 46.

The square root of 68941747 is about 8303.1167039853. The cubic root of 68941747 is about 410.0411360669.

It can be divided in two parts, 689 and 41747, that added together give a square (42436 = 206²).

The spelling of 68941747 in words is "sixty-eight million, nine hundred forty-one thousand, seven hundred forty-seven".