68692418 has 8 divisors (see below), whose sum is σ = 103634748. Its totient is φ = 34147504.

The previous prime is 68692411. The next prime is 68692441. The reversal of 68692418 is 81429686.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62457409 + 6235009 = 7903^2 + 2497^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68692411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98921 + ... + 99612.

Almost surely, 2^68692418 is an apocalyptic number.

68692418 is a deficient number, since it is larger than the sum of its proper divisors (34942330).

68692418 is a wasteful number, since it uses less digits than its factorization.

68692418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198708.

The product of its digits is 165888, while the sum is 44.

The square root of 68692418 is about 8288.0889232681. The cubic root of 68692418 is about 409.5462320640.

The spelling of 68692418 in words is "sixty-eight million, six hundred ninety-two thousand, four hundred eighteen".