68458424 has 8 divisors (see below), whose sum is σ = 128359560. Its totient is φ = 34229208.

The previous prime is 68458393. The next prime is 68458427. The reversal of 68458424 is 42485486.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68458427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4278644 + ... + 4278659.

It is an arithmetic number, because the mean of its divisors is an integer number (16044945).

Almost surely, 2^68458424 is an apocalyptic number.

It is an amenable number.

68458424 is a deficient number, since it is larger than the sum of its proper divisors (59901136).

68458424 is a wasteful number, since it uses less digits than its factorization.

68458424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557309 (or 8557305 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 68458424 is about 8273.9605993744. The cubic root of 68458424 is about 409.0806766524.

The spelling of 68458424 in words is "sixty-eight million, four hundred fifty-eight thousand, four hundred twenty-four".