273478912 has 72 divisors (see below), whose sum is σ = 630467712. Its totient is φ = 115968000.

The previous prime is 273478883. The next prime is 273478927. The reversal of 273478912 is 219874372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180237 + ... + 181747.

It is an arithmetic number, because the mean of its divisors is an integer number (8756496).

Almost surely, 2^273478912 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 273478912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315233856).

273478912 is an abundant number, since it is smaller than the sum of its proper divisors (356988800).

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

273478912 is a wasteful number, since it uses less digits than its factorization.

273478912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1621 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 273478912 is about 16537.1978279272. The cubic root of 273478912 is about 649.0945277921.

The spelling of 273478912 in words is "two hundred seventy-three million, four hundred seventy-eight thousand, nine hundred twelve".