273640740 has 48 divisors (see below), whose sum is σ = 768664512. Its totient is φ = 72735616.

The previous prime is 273640739. The next prime is 273640747. The reversal of 273640740 is 47046372.

It is not an unprimeable number, because it can be changed into a prime (273640747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11827 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (16013844).

Almost surely, 2^273640740 is an apocalyptic number.

273640740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273640740 is an abundant number, since it is smaller than the sum of its proper divisors (495023772).

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

273640740 is a wasteful number, since it uses less digits than its factorization.

273640740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14716 (or 14714 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 273640740 is about 16542.0899526027. The cubic root of 273640740 is about 649.2225339532. Note that the first 3 decimals are identical.

The spelling of 273640740 in words is "two hundred seventy-three million, six hundred forty thousand, seven hundred forty".