273680249 has 4 divisors (see below), whose sum is σ = 273753936. Its totient is φ = 273606564.

The previous prime is 273680219. The next prime is 273680333. The reversal of 273680249 is 942086372.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273680249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273680219) 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 3 ways as a sum of consecutive naturals, for example, 30959 + ... + 38804.

It is an arithmetic number, because the mean of its divisors is an integer number (68438484).

Almost surely, 2^273680249 is an apocalyptic number.

It is an amenable number.

273680249 is a deficient number, since it is larger than the sum of its proper divisors (73687).

273680249 is an equidigital number, since it uses as much as digits as its factorization.

273680249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73686.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 273680249 is about 16543.2841056424. The cubic root of 273680249 is about 649.2537779592.

The spelling of 273680249 in words is "two hundred seventy-three million, six hundred eighty thousand, two hundred forty-nine".