68429954 has 8 divisors (see below), whose sum is σ = 102705408. Its totient is φ = 34194820.

The previous prime is 68429953. The next prime is 68429957. The reversal of 68429954 is 45992486.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68429899 and 68429908.

It is not an unprimeable number, because it can be changed into a prime (68429953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5402 + ... + 12885.

It is an arithmetic number, because the mean of its divisors is an integer number (12838176).

Almost surely, 2^68429954 is an apocalyptic number.

68429954 is a deficient number, since it is larger than the sum of its proper divisors (34275454).

68429954 is a wasteful number, since it uses less digits than its factorization.

68429954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20160.

The product of its digits is 622080, while the sum is 47.

The square root of 68429954 is about 8272.2399626703. The cubic root of 68429954 is about 409.0239602736.

The spelling of 68429954 in words is "sixty-eight million, four hundred twenty-nine thousand, nine hundred fifty-four".