272783340 has 72 divisors (see below), whose sum is σ = 829374000. Its totient is φ = 72572544.

The previous prime is 272783299. The next prime is 272783341. The reversal of 272783340 is 43387272.

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

It is a junction number, because it is equal to n+sod(n) for n = 272783295 and 272783304.

It is not an unprimeable number, because it can be changed into a prime (272783341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88302 + ... + 91338.

Almost surely, 2^272783340 is an apocalyptic number.

272783340 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 272783340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414687000).

272783340 is an abundant number, since it is smaller than the sum of its proper divisors (556590660).

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

272783340 is a wasteful number, since it uses less digits than its factorization.

272783340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 272783340 is about 16516.1539106415. The cubic root of 272783340 is about 648.5437536996.

The spelling of 272783340 in words is "two hundred seventy-two million, seven hundred eighty-three thousand, three hundred forty".