273766641 has 8 divisors (see below), whose sum is σ = 377609280. Its totient is φ = 176217552.

The previous prime is 273766627. The next prime is 273766643. The reversal of 273766641 is 146667372.

It is a happy number.

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

It is not a de Polignac number, because 273766641 - 2⁵ = 273766609 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 273766593 and 273766602.

It is not an unprimeable number, because it can be changed into a prime (273766643) 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, 1573285 + ... + 1573458.

It is an arithmetic number, because the mean of its divisors is an integer number (47201160).

Almost surely, 2^273766641 is an apocalyptic number.

It is an amenable number.

273766641 is a deficient number, since it is larger than the sum of its proper divisors (103842639).

273766641 is a wasteful number, since it uses less digits than its factorization.

273766641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146775.

The product of its digits is 254016, while the sum is 42.

The square root of 273766641 is about 16545.8949893924. The cubic root of 273766641 is about 649.3220869093.

It can be divided in two parts, 2737 and 66641, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 273766641 in words is "two hundred seventy-three million, seven hundred sixty-six thousand, six hundred forty-one".