68908463 has 8 divisors (see below), whose sum is σ = 78574608. Its totient is φ = 59865984.

The previous prime is 68908457. The next prime is 68908471. The reversal of 68908463 is 36480986.

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 68908463 - 2⁴ = 68908447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68908453) 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, 155681 + ... + 156122.

It is an arithmetic number, because the mean of its divisors is an integer number (9821826).

Almost surely, 2^68908463 is an apocalyptic number.

68908463 is a deficient number, since it is larger than the sum of its proper divisors (9666145).

68908463 is a wasteful number, since it uses less digits than its factorization.

68908463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311833.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 68908463 is about 8301.1121544044. The cubic root of 68908463 is about 409.9751382902.

The spelling of 68908463 in words is "sixty-eight million, nine hundred eight thousand, four hundred sixty-three".