68803247 has 4 divisors (see below), whose sum is σ = 69446376. Its totient is φ = 68160120.

The previous prime is 68803223. The next prime is 68803249. The reversal of 68803247 is 74230886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74230886 = 2 ⋅37115443.

It is a cyclic number.

It is not a de Polignac number, because 68803247 - 2⁸ = 68802991 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 68803247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68803249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321404 + ... + 321617.

It is an arithmetic number, because the mean of its divisors is an integer number (17361594).

Almost surely, 2^68803247 is an apocalyptic number.

68803247 is a deficient number, since it is larger than the sum of its proper divisors (643129).

68803247 is a wasteful number, since it uses less digits than its factorization.

68803247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643128.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 68803247 is about 8294.7722693272. The cubic root of 68803247 is about 409.7663689770.

The spelling of 68803247 in words is "sixty-eight million, eight hundred three thousand, two hundred forty-seven".