273788240 has 40 divisors (see below), whose sum is σ = 694428768. Its totient is φ = 99559040.

The previous prime is 273788237. The next prime is 273788279. The reversal of 273788240 is 42887372.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 154682 + ... + 156441.

Almost surely, 2^273788240 is an apocalyptic number.

273788240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273788240 is an abundant number, since it is smaller than the sum of its proper divisors (420640528).

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

273788240 is a wasteful number, since it uses less digits than its factorization.

273788240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311147 (or 311141 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 273788240 is about 16546.5476761770. The cubic root of 273788240 is about 649.3391626919.

The spelling of 273788240 in words is "two hundred seventy-three million, seven hundred eighty-eight thousand, two hundred forty".