68408367 has 8 divisors (see below), whose sum is σ = 91380096. Its totient is φ = 45521112.

The previous prime is 68408339. The next prime is 68408381. The reversal of 68408367 is 76380486.

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

It is not a de Polignac number, because 68408367 - 2⁷ = 68408239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68408387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19203 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (11422512).

Almost surely, 2^68408367 is an apocalyptic number.

68408367 is a deficient number, since it is larger than the sum of its proper divisors (22971729).

68408367 is a wasteful number, since it uses less digits than its factorization.

68408367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42237.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68408367 is about 8270.9350741014. The cubic root of 68408367 is about 408.9809453445.

The spelling of 68408367 in words is "sixty-eight million, four hundred eight thousand, three hundred sixty-seven".