273478304 has 96 divisors (see below), whose sum is σ = 608440896. Its totient is φ = 119941120.

The previous prime is 273478243. The next prime is 273478319. The reversal of 273478304 is 403874372.

Added to its reverse (403874372) it gives a square (677352676 = 26026²).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1996124 + ... + 1996260.

It is an arithmetic number, because the mean of its divisors is an integer number (6337926).

Almost surely, 2^273478304 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 273478304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304220448).

273478304 is an abundant number, since it is smaller than the sum of its proper divisors (334962592).

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

273478304 is a wasteful number, since it uses less digits than its factorization.

273478304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 273478304 is about 16537.1794451170. The cubic root of 273478304 is about 649.0940467681.

Adding to 273478304 its reverse (403874372), we get a square (677352676 = 26026²).

The spelling of 273478304 in words is "two hundred seventy-three million, four hundred seventy-eight thousand, three hundred four".