273243654720 has 896 divisors, whose sum is σ = 1046252090880. Its totient is φ = 66886041600.

The previous prime is 273243654689. The next prime is 273243654727. The reversal of 273243654720 is 27456342372.

273243654720 is a `hidden beast` number, since 2 + 73 + 2 + 4 + 36 + 547 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (273243654727) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1676341359 + ... + 1676341521.

Almost surely, 2^273243654720 is an apocalyptic number.

273243654720 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 273243654720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523126045440).

273243654720 is an abundant number, since it is smaller than the sum of its proper divisors (773008436160).

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

273243654720 is a wasteful number, since it uses less digits than its factorization.

273243654720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 45.

The spelling of 273243654720 in words is "two hundred seventy-three billion, two hundred forty-three million, six hundred fifty-four thousand, seven hundred twenty".