68458436 has 12 divisors (see below), whose sum is σ = 123040428. Its totient is φ = 33304032.

The previous prime is 68458427. The next prime is 68458441. The reversal of 68458436 is 63485486.

It can be written as a sum of positive squares in 2 ways, for example, as 62504836 + 5953600 = 7906^2 + 2440^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 231131 + ... + 231426.

It is an arithmetic number, because the mean of its divisors is an integer number (10253369).

Almost surely, 2^68458436 is an apocalyptic number.

It is an amenable number.

68458436 is a deficient number, since it is larger than the sum of its proper divisors (54581992).

68458436 is a wasteful number, since it uses less digits than its factorization.

68458436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462598 (or 462596 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 68458436 is about 8273.9613245410. The cubic root of 68458436 is about 409.0807005548.

The spelling of 68458436 in words is "sixty-eight million, four hundred fifty-eight thousand, four hundred thirty-six".