68430458 has 8 divisors (see below), whose sum is σ = 105032928. Its totient is φ = 33419484.

The previous prime is 68430433. The next prime is 68430503. The reversal of 68430458 is 85403486.

It is a happy number.

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

It is a Curzon number.

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, 397766 + ... + 397937.

It is an arithmetic number, because the mean of its divisors is an integer number (13129116).

Almost surely, 2^68430458 is an apocalyptic number.

68430458 is a deficient number, since it is larger than the sum of its proper divisors (36602470).

68430458 is a wasteful number, since it uses less digits than its factorization.

68430458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795748.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 68430458 is about 8272.2704259472. The cubic root of 68430458 is about 409.0249644516.

The spelling of 68430458 in words is "sixty-eight million, four hundred thirty thousand, four hundred fifty-eight".