273000000 has 392 divisors, whose sum is σ = 1111235776. Its totient is φ = 57600000.

The previous prime is 272999989. The next prime is 273000011. The reversal of 273000000 is 372.

It is an interprime number because it is at equal distance from previous prime (272999989) and next prime (273000011).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 273000000.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 20999994 + ... + 21000006.

Almost surely, 2^273000000 is an apocalyptic number.

273000000 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 273000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555617888).

273000000 is an abundant number, since it is smaller than the sum of its proper divisors (838235776).

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

273000000 is an frugal number, since it uses more digits than its factorization.

273000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 273000000 is about 16522.7116418583. The cubic root of 273000000 is about 648.7154116716.

Adding to 273000000 its reverse (372), we get a palindrome (273000372).

It can be divided in two parts, 27 and 3000000, that multiplied together give a square (81000000 = 9000²).

The spelling of 273000000 in words is "two hundred seventy-three million", and thus it is an aban number.