68782207 has 4 divisors (see below), whose sum is σ = 74073160. Its totient is φ = 63491256.

The previous prime is 68782201. The next prime is 68782237. The reversal of 68782207 is 70228786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70228786 = 2 ⋅35114393.

It is a cyclic number.

It is not a de Polignac number, because 68782207 - 2¹⁹ = 68257919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68782207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68782201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645457 + ... + 2645482.

It is an arithmetic number, because the mean of its divisors is an integer number (18518290).

Almost surely, 2^68782207 is an apocalyptic number.

68782207 is a deficient number, since it is larger than the sum of its proper divisors (5290953).

68782207 is a wasteful number, since it uses less digits than its factorization.

68782207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290952.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 68782207 is about 8293.5039036586. The cubic root of 68782207 is about 409.7245959322.

The spelling of 68782207 in words is "sixty-eight million, seven hundred eighty-two thousand, two hundred seven".