68428298 has 8 divisors (see below), whose sum is σ = 108680292. Its totient is φ = 32201536.

The previous prime is 68428267. The next prime is 68428301. The reversal of 68428298 is 89282486.

It can be written as a sum of positive squares in 2 ways, for example, as 67683529 + 744769 = 8227^2 + 863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006265 + ... + 1006332.

Almost surely, 2^68428298 is an apocalyptic number.

68428298 is a deficient number, since it is larger than the sum of its proper divisors (40251994).

68428298 is a wasteful number, since it uses less digits than its factorization.

68428298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012616.

The product of its digits is 442368, while the sum is 47.

The square root of 68428298 is about 8272.1398682566. The cubic root of 68428298 is about 409.0206607968.

It can be divided in two parts, 684 and 28298, that added together give a palindrome (28982).

The spelling of 68428298 in words is "sixty-eight million, four hundred twenty-eight thousand, two hundred ninety-eight".