68458 has 8 divisors (see below), whose sum is σ = 110628. Its totient is φ = 31584.

The previous prime is 68449. The next prime is 68473. The reversal of 68458 is 85486.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 9409 = 243^2 + 97^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291 + ... + 1342.

2⁶⁸⁴⁵⁸ is an apocalyptic number.

68458 is a deficient number, since it is larger than the sum of its proper divisors (42170).

68458 is a wasteful number, since it uses less digits than its factorization.

68458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648.

The product of its digits is 7680, while the sum is 31.

The square root of 68458 is about 261.6447973876. The cubic root of 68458 is about 40.9079832098.

It can be divided in two parts, 6 and 8458, that added together give a square (8464 = 92²).

The spelling of 68458 in words is "sixty-eight thousand, four hundred fifty-eight".