68088605 has 16 divisors (see below), whose sum is σ = 88225200. Its totient is φ = 50147328.

The previous prime is 68088583. The next prime is 68088611. The reversal of 68088605 is 50688086.

It can be written as a sum of positive squares in 8 ways, for example, as 5583769 + 62504836 = 2363^2 + 7906^2 .

It is a cyclic number.

It is not a de Polignac number, because 68088605 - 2⁶ = 68088541 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28019 + ... + 30351.

It is an arithmetic number, because the mean of its divisors is an integer number (5514075).

Almost surely, 2^68088605 is an apocalyptic number.

68088605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68088605 is a deficient number, since it is larger than the sum of its proper divisors (20136595).

68088605 is a wasteful number, since it uses less digits than its factorization.

68088605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 68088605 is about 8251.5819695377. The cubic root of 68088605 is about 408.3427151345.

The spelling of 68088605 in words is "sixty-eight million, eighty-eight thousand, six hundred five".