68308954 has 16 divisors (see below), whose sum is σ = 119593728. Its totient is φ = 28652112.

The previous prime is 68308951. The next prime is 68308957. The reversal of 68308954 is 45980386.

It is an interprime number because it is at equal distance from previous prime (68308951) and next prime (68308957).

It is a super-2 number, since 2×68308954² = 9332226393148232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68308954.

It is not an unprimeable number, because it can be changed into a prime (68308951) 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, 51249 + ... + 52564.

It is an arithmetic number, because the mean of its divisors is an integer number (7474608).

Almost surely, 2^68308954 is an apocalyptic number.

68308954 is a deficient number, since it is larger than the sum of its proper divisors (51284774).

68308954 is a wasteful number, since it uses less digits than its factorization.

68308954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103869.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 68308954 is about 8264.9231091402. The cubic root of 68308954 is about 408.7827350204.

The spelling of 68308954 in words is "sixty-eight million, three hundred eight thousand, nine hundred fifty-four".