68802565 has 16 divisors (see below), whose sum is σ = 89324928. Its totient is φ = 50573376.

The previous prime is 68802563. The next prime is 68802583. The reversal of 68802565 is 56520886.

It is a cyclic number.

It is not a de Polignac number, because 68802565 - 2¹ = 68802563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68802563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12424 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (5582808).

Almost surely, 2^68802565 is an apocalyptic number.

68802565 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68802565 is a deficient number, since it is larger than the sum of its proper divisors (20522363).

68802565 is a wasteful number, since it uses less digits than its factorization.

68802565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 68802565 is about 8294.7311589948. The cubic root of 68802565 is about 409.7650150603.

The spelling of 68802565 in words is "sixty-eight million, eight hundred two thousand, five hundred sixty-five".