68725458 has 48 divisors (see below), whose sum is σ = 159213600. Its totient is φ = 21349248.

The previous prime is 68725457. The next prime is 68725463. The reversal of 68725458 is 85452786.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68725453) 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 23 ways as a sum of consecutive naturals, for example, 31693 + ... + 33791.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^68725458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68725458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79606800).

68725458 is an abundant number, since it is smaller than the sum of its proper divisors (90488142).

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

68725458 is a wasteful number, since it uses less digits than its factorization.

68725458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2228 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 68725458 is about 8290.0819055061. The cubic root of 68725458 is about 409.6118833591.

The spelling of 68725458 in words is "sixty-eight million, seven hundred twenty-five thousand, four hundred fifty-eight".