68172454 has 8 divisors (see below), whose sum is σ = 116867088. Its totient is φ = 29216760.

The previous prime is 68172427. The next prime is 68172491. The reversal of 68172454 is 45427186.

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

It is a congruent number.

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, 2434717 + ... + 2434744.

It is an arithmetic number, because the mean of its divisors is an integer number (14608386).

Almost surely, 2^68172454 is an apocalyptic number.

68172454 is a deficient number, since it is larger than the sum of its proper divisors (48694634).

68172454 is a wasteful number, since it uses less digits than its factorization.

68172454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869470.

The product of its digits is 53760, while the sum is 37.

The square root of 68172454 is about 8256.6611896093. The cubic root of 68172454 is about 408.5102668275.

The spelling of 68172454 in words is "sixty-eight million, one hundred seventy-two thousand, four hundred fifty-four".