68606454 has 64 divisors (see below), whose sum is σ = 166464000. Its totient is φ = 18413568.

The previous prime is 68606429. The next prime is 68606471. The reversal of 68606454 is 45460686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118614 + ... + 119190.

It is an arithmetic number, because the mean of its divisors is an integer number (2601000).

Almost surely, 2^68606454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68606454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83232000).

68606454 is an abundant number, since it is smaller than the sum of its proper divisors (97857546).

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

68606454 is a wasteful number, since it uses less digits than its factorization.

68606454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 68606454 is about 8282.9013032874. The cubic root of 68606454 is about 409.3753207775.

The spelling of 68606454 in words is "sixty-eight million, six hundred six thousand, four hundred fifty-four".