68421354 has 8 divisors (see below), whose sum is σ = 136842720. Its totient is φ = 22807116.

The previous prime is 68421329. The next prime is 68421373. The reversal of 68421354 is 45312486.

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

68421354 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 5701774 + ... + 5701785.

It is an arithmetic number, because the mean of its divisors is an integer number (17105340).

Almost surely, 2^68421354 is an apocalyptic number.

68421354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68421354 is a wasteful number, since it uses less digits than its factorization.

68421354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403564.

The product of its digits is 23040, while the sum is 33.

The square root of 68421354 is about 8271.7201354978. The cubic root of 68421354 is about 409.0068247297.

The spelling of 68421354 in words is "sixty-eight million, four hundred twenty-one thousand, three hundred fifty-four".