273432456 has 128 divisors (see below), whose sum is σ = 834998400. Its totient is φ = 82218240.

The previous prime is 273432449. The next prime is 273432457. The reversal of 273432456 is 654234372.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 273432456.

It is not an unprimeable number, because it can be changed into a prime (273432457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372666 + ... + 373398.

It is an arithmetic number, because the mean of its divisors is an integer number (6523425).

Almost surely, 2^273432456 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 273432456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417499200).

273432456 is an abundant number, since it is smaller than the sum of its proper divisors (561565944).

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

273432456 is a wasteful number, since it uses less digits than its factorization.

273432456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 906 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 273432456 is about 16535.7931772262. The cubic root of 273432456 is about 649.0577717064.

The spelling of 273432456 in words is "two hundred seventy-three million, four hundred thirty-two thousand, four hundred fifty-six".