68302005 has 32 divisors (see below), whose sum is σ = 117635328. Its totient is φ = 33715200.

The previous prime is 68301977. The next prime is 68302007. The reversal of 68302005 is 50020386.

It is not a de Polignac number, because 68302005 - 2¹⁴ = 68285621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68302007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13360 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (3676104).

Almost surely, 2^68302005 is an apocalyptic number.

It is an amenable number.

68302005 is a deficient number, since it is larger than the sum of its proper divisors (49333323).

68302005 is a wasteful number, since it uses less digits than its factorization.

68302005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 68302005 is about 8264.5027073624. The cubic root of 68302005 is about 408.7688728672.

The spelling of 68302005 in words is "sixty-eight million, three hundred two thousand, five".