68724383 has 8 divisors (see below), whose sum is σ = 84583968. Its totient is φ = 54375264.

The previous prime is 68724377. The next prime is 68724431. The reversal of 68724383 is 38342786.

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 68724383 - 2⁴ = 68724367 is a prime.

It is a super-4 number, since 4×68724383⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68724383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68724343) 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 7 ways as a sum of consecutive naturals, for example, 377516 + ... + 377697.

It is an arithmetic number, because the mean of its divisors is an integer number (10572996).

Almost surely, 2^68724383 is an apocalyptic number.

68724383 is a deficient number, since it is larger than the sum of its proper divisors (15859585).

68724383 is a wasteful number, since it uses less digits than its factorization.

68724383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755233.

The product of its digits is 193536, while the sum is 41.

The square root of 68724383 is about 8290.0170687400. The cubic root of 68724383 is about 409.6097476388.

The spelling of 68724383 in words is "sixty-eight million, seven hundred twenty-four thousand, three hundred eighty-three".