68253658 has 8 divisors (see below), whose sum is σ = 111687840. Its totient is φ = 31024380.

The previous prime is 68253629. The next prime is 68253667. The reversal of 68253658 is 85635286.

It is a happy number.

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

68253658 is a modest number, since divided by 53658 gives 682 as remainder.

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, 1551198 + ... + 1551241.

It is an arithmetic number, because the mean of its divisors is an integer number (13960980).

Almost surely, 2^68253658 is an apocalyptic number.

68253658 is a deficient number, since it is larger than the sum of its proper divisors (43434182).

68253658 is a wasteful number, since it uses less digits than its factorization.

68253658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102452.

The product of its digits is 345600, while the sum is 43.

The square root of 68253658 is about 8261.5772101942. The cubic root of 68253658 is about 408.6724022317.

The spelling of 68253658 in words is "sixty-eight million, two hundred fifty-three thousand, six hundred fifty-eight".