68032705 has 8 divisors (see below), whose sum is σ = 87919272. Its totient is φ = 50239488.

The previous prime is 68032703. The next prime is 68032733. The reversal of 68032705 is 50723086.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 67963536 = 263^2 + 8244^2 .

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

It is not a de Polignac number, because 68032705 - 2¹ = 68032703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68032703) 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, 523264 + ... + 523393.

It is an arithmetic number, because the mean of its divisors is an integer number (10989909).

Almost surely, 2^68032705 is an apocalyptic number.

68032705 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68032705 is a deficient number, since it is larger than the sum of its proper divisors (19886567).

68032705 is a wasteful number, since it uses less digits than its factorization.

68032705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046675.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 68032705 is about 8248.1940447591. The cubic root of 68032705 is about 408.2309362382.

The spelling of 68032705 in words is "sixty-eight million, thirty-two thousand, seven hundred five".