273866749 has 16 divisors (see below), whose sum is σ = 305827200. Its totient is φ = 243504576.

The previous prime is 273866743. The next prime is 273866767. The reversal of 273866749 is 947668372.

It is a cyclic number.

It is not a de Polignac number, because 273866749 - 2⁹ = 273866237 is a prime.

It is a Duffinian number.

Its product of digits (3048192) is a multiple of the sum of its prime divisors (1764).

It is a junction number, because it is equal to n+sod(n) for n = 273866696 and 273866705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273866743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278112 + ... + 279094.

It is an arithmetic number, because the mean of its divisors is an integer number (19114200).

Almost surely, 2^273866749 is an apocalyptic number.

273866749 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

273866749 is a deficient number, since it is larger than the sum of its proper divisors (31960451).

273866749 is a wasteful number, since it uses less digits than its factorization.

273866749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its digits is 3048192, while the sum is 52.

The square root of 273866749 is about 16548.9198741187. The cubic root of 273866749 is about 649.4012229376.

The spelling of 273866749 in words is "two hundred seventy-three million, eight hundred sixty-six thousand, seven hundred forty-nine".