68805410 has 8 divisors (see below), whose sum is σ = 123849756. Its totient is φ = 27522160.

The previous prime is 68805383. The next prime is 68805413. The reversal of 68805410 is 1450886.

It can be written as a sum of positive squares in 2 ways, for example, as 65496649 + 3308761 = 8093^2 + 1819^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68805413) 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 3 ways as a sum of consecutive naturals, for example, 3440261 + ... + 3440280.

Almost surely, 2^68805410 is an apocalyptic number.

68805410 is a deficient number, since it is larger than the sum of its proper divisors (55044346).

68805410 is a wasteful number, since it uses less digits than its factorization.

68805410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880548.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 68805410 is about 8294.9026516289. The cubic root of 68805410 is about 409.7706629380.

The spelling of 68805410 in words is "sixty-eight million, eight hundred five thousand, four hundred ten".