273868420 has 24 divisors (see below), whose sum is σ = 657284544. Its totient is φ = 93897696.

The previous prime is 273868411. The next prime is 273868423. The reversal of 273868420 is 24868372.

It is a super-2 number, since 2×273868420² = 150007822946592800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (273868423) 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 7 ways as a sum of consecutive naturals, for example, 977962 + ... + 978241.

It is an arithmetic number, because the mean of its divisors is an integer number (27386856).

Almost surely, 2^273868420 is an apocalyptic number.

273868420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273868420 is an abundant number, since it is smaller than the sum of its proper divisors (383416124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273868420 is a wasteful number, since it uses less digits than its factorization.

273868420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956219 (or 1956217 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 273868420 is about 16548.9703607203. The cubic root of 273868420 is about 649.4025437104.

The spelling of 273868420 in words is "two hundred seventy-three million, eight hundred sixty-eight thousand, four hundred twenty".