68726154 has 64 divisors (see below), whose sum is σ = 167823360. Its totient is φ = 18325440.

The previous prime is 68726117. The next prime is 68726159. The reversal of 68726154 is 45162786.

It is not an unprimeable number, because it can be changed into a prime (68726159) 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 31 ways as a sum of consecutive naturals, for example, 56052 + ... + 57264.

It is an arithmetic number, because the mean of its divisors is an integer number (2622240).

Almost surely, 2^68726154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68726154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83911680).

68726154 is an abundant number, since it is smaller than the sum of its proper divisors (99097206).

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

68726154 is a wasteful number, since it uses less digits than its factorization.

68726154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its digits is 80640, while the sum is 39.

The square root of 68726154 is about 8290.1238832722. The cubic root of 68726154 is about 409.6132661020.

The spelling of 68726154 in words is "sixty-eight million, seven hundred twenty-six thousand, one hundred fifty-four".