68605419 has 8 divisors (see below), whose sum is σ = 92973712. Its totient is φ = 44987040.

The previous prime is 68605367. The next prime is 68605429. The reversal of 68605419 is 91450686.

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

It is not a de Polignac number, because 68605419 - 2⁷ = 68605291 is a prime.

It is a super-2 number, since 2×68605419² = 9413407032331122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68605429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187264 + ... + 187629.

It is an arithmetic number, because the mean of its divisors is an integer number (11621714).

Almost surely, 2^68605419 is an apocalyptic number.

68605419 is a deficient number, since it is larger than the sum of its proper divisors (24368293).

68605419 is a wasteful number, since it uses less digits than its factorization.

68605419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374957.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68605419 is about 8282.8388249440. The cubic root of 68605419 is about 409.3732621491.

The spelling of 68605419 in words is "sixty-eight million, six hundred five thousand, four hundred nineteen".