68994455 has 8 divisors (see below), whose sum is σ = 85031232. Its totient is φ = 53703648.

The previous prime is 68994427. The next prime is 68994461. The reversal of 68994455 is 55449986.

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

It is a cyclic number.

It is not a de Polignac number, because 68994455 - 2⁶ = 68994391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 186287 + ... + 186656.

It is an arithmetic number, because the mean of its divisors is an integer number (10628904).

Almost surely, 2^68994455 is an apocalyptic number.

68994455 is a deficient number, since it is larger than the sum of its proper divisors (16036777).

68994455 is a wasteful number, since it uses less digits than its factorization.

68994455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372985.

The product of its digits is 1555200, while the sum is 50.

The square root of 68994455 is about 8306.2900864345. The cubic root of 68994455 is about 410.1456056309.

The spelling of 68994455 in words is "sixty-eight million, nine hundred ninety-four thousand, four hundred fifty-five".