68821941 has 8 divisors (see below), whose sum is σ = 92129184. Its totient is φ = 45698000.

The previous prime is 68821927. The next prime is 68821943. The reversal of 68821941 is 14912886.

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 68821941 - 2⁹ = 68821429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68821941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68821943) 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, 44946 + ... + 46451.

It is an arithmetic number, because the mean of its divisors is an integer number (11516148).

Almost surely, 2^68821941 is an apocalyptic number.

It is an amenable number.

68821941 is a deficient number, since it is larger than the sum of its proper divisors (23307243).

68821941 is a wasteful number, since it uses less digits than its factorization.

68821941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91651.

The product of its digits is 27648, while the sum is 39.

The square root of 68821941 is about 8295.8990471196. The cubic root of 68821941 is about 409.8034771038.

The spelling of 68821941 in words is "sixty-eight million, eight hundred twenty-one thousand, nine hundred forty-one".