68729562 has 48 divisors (see below), whose sum is σ = 164773440. Its totient is φ = 20529600.

The previous prime is 68729539. The next prime is 68729567. The reversal of 68729562 is 26592786.

68729562 is a `hidden beast` number, since 6 + 87 + 2 + 9 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (68729567) 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 23 ways as a sum of consecutive naturals, for example, 11614 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (3432780).

Almost surely, 2^68729562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68729562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82386720).

68729562 is an abundant number, since it is smaller than the sum of its proper divisors (96043878).

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

68729562 is a wasteful number, since it uses less digits than its factorization.

68729562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979 (or 4976 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 68729562 is about 8290.3294265065. The cubic root of 68729562 is about 409.6200366391.

The spelling of 68729562 in words is "sixty-eight million, seven hundred twenty-nine thousand, five hundred sixty-two".