70820066017441 has 4 divisors (see below), whose sum is σ = 76267763403412. Its totient is φ = 65372368631472.

The previous prime is 70820066017417. The next prime is 70820066017453. The reversal of 70820066017441 is 14471066002807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3677266464400 + 67142799553041 = 1917620^2 + 8194071^2 .

It is a cyclic number.

It is not a de Polignac number, because 70820066017441 - 2²⁵ = 70820032463009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70820066017391 and 70820066017400.

It is not an unprimeable number, because it can be changed into a prime (70820066017241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723848692966 + ... + 2723848692991.

It is an arithmetic number, because the mean of its divisors is an integer number (19066940850853).

Almost surely, 2^{70820066017441} is an apocalyptic number.

It is an amenable number.

70820066017441 is a deficient number, since it is larger than the sum of its proper divisors (5447697385971).

70820066017441 is a wasteful number, since it uses less digits than its factorization.

70820066017441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447697385970.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 70820066017441 in words is "seventy trillion, eight hundred twenty billion, sixty-six million, seventeen thousand, four hundred forty-one".