68441953 has 8 divisors (see below), whose sum is σ = 70001928. Its totient is φ = 66898944.

The previous prime is 68441929. The next prime is 68441969. The reversal of 68441953 is 35914486.

It can be written as a sum of positive squares in 4 ways, for example, as 12909649 + 55532304 = 3593^2 + 7452^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68441953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68441993) 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, 4101 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (8750241).

Almost surely, 2^68441953 is an apocalyptic number.

It is an amenable number.

68441953 is a deficient number, since it is larger than the sum of its proper divisors (1559975).

68441953 is a wasteful number, since it uses less digits than its factorization.

68441953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483.

The product of its digits is 103680, while the sum is 40.

The square root of 68441953 is about 8272.9651878876. The cubic root of 68441953 is about 409.0478659434.

The spelling of 68441953 in words is "sixty-eight million, four hundred forty-one thousand, nine hundred fifty-three".