68453441 has 24 divisors (see below), whose sum is σ = 86631336. Its totient is φ = 53706240.

The previous prime is 68453419. The next prime is 68453449. The reversal of 68453441 is 14435486.

It can be written as a sum of positive squares in 4 ways, for example, as 39250225 + 29203216 = 6265^2 + 5404^2 .

It is a de Polignac number, because none of the positive numbers 2^k-68453441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68453449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29711 + ... + 31931.

It is an arithmetic number, because the mean of its divisors is an integer number (3609639).

Almost surely, 2^68453441 is an apocalyptic number.

It is an amenable number.

68453441 is a deficient number, since it is larger than the sum of its proper divisors (18177895).

68453441 is a wasteful number, since it uses less digits than its factorization.

68453441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2282 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 68453441 is about 8273.6594684577. The cubic root of 68453441 is about 409.0707509274.

The spelling of 68453441 in words is "sixty-eight million, four hundred fifty-three thousand, four hundred forty-one".