273163540 has 48 divisors (see below), whose sum is σ = 621443088. Its totient is φ = 100260864.

The previous prime is 273163529. The next prime is 273163547. The reversal of 273163540 is 45361372.

It can be written as a sum of positive squares in 8 ways, for example, as 12082576 + 261080964 = 3476^2 + 16158^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273163547) 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, 41944 + ... + 48016.

It is an arithmetic number, because the mean of its divisors is an integer number (12946731).

Almost surely, 2^273163540 is an apocalyptic number.

273163540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273163540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310721544).

273163540 is an abundant number, since it is smaller than the sum of its proper divisors (348279548).

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

273163540 is a wasteful number, since it uses less digits than its factorization.

273163540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 273163540 is about 16527.6598464513. The cubic root of 273163540 is about 648.8449229549.

The spelling of 273163540 in words is "two hundred seventy-three million, one hundred sixty-three thousand, five hundred forty".