273904072 has 64 divisors (see below), whose sum is σ = 576298800. Its totient is φ = 121175040.

The previous prime is 273904063. The next prime is 273904073. The reversal of 273904072 is 270409372.

It can be written as a sum of positive squares in 8 ways, for example, as 149670756 + 124233316 = 12234^2 + 11146^2 .

It is not an unprimeable number, because it can be changed into a prime (273904073) 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, 593922 + ... + 594382.

Almost surely, 2^273904072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273904072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288149400).

273904072 is an abundant number, since it is smaller than the sum of its proper divisors (302394728).

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

273904072 is a wasteful number, since it uses less digits than its factorization.

273904072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 273904072 is about 16550.0474923790. The cubic root of 273904072 is about 649.4307220778.

The spelling of 273904072 in words is "two hundred seventy-three million, nine hundred four thousand, seventy-two".