68280365 has 8 divisors (see below), whose sum is σ = 82924128. Its totient is φ = 53965840.

The previous prime is 68280349. The next prime is 68280367. The reversal of 68280365 is 56308286.

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

It is not a de Polignac number, because 68280365 - 2⁴ = 68280349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68280367) 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, 81851 + ... + 82680.

It is an arithmetic number, because the mean of its divisors is an integer number (10365516).

Almost surely, 2^68280365 is an apocalyptic number.

It is an amenable number.

68280365 is a deficient number, since it is larger than the sum of its proper divisors (14643763).

68280365 is a wasteful number, since it uses less digits than its factorization.

68280365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164619.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 68280365 is about 8263.1933899673. The cubic root of 68280365 is about 408.7256984745.

The spelling of 68280365 in words is "sixty-eight million, two hundred eighty thousand, three hundred sixty-five".