68620343 has 8 divisors (see below), whose sum is σ = 78798720. Its totient is φ = 59098680.

The previous prime is 68620301. The next prime is 68620361. The reversal of 68620343 is 34302686.

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

It is a cyclic number.

It is not a de Polignac number, because 68620343 - 2¹⁶ = 68554807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68620373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163955 + ... + 164372.

It is an arithmetic number, because the mean of its divisors is an integer number (9849840).

Almost surely, 2^68620343 is an apocalyptic number.

68620343 is a deficient number, since it is larger than the sum of its proper divisors (10178377).

68620343 is a wasteful number, since it uses less digits than its factorization.

68620343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328357.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 68620343 is about 8283.7396748087. The cubic root of 68620343 is about 409.4029441756.

The spelling of 68620343 in words is "sixty-eight million, six hundred twenty thousand, three hundred forty-three".