281072 has 20 divisors (see below), whose sum is σ = 594456. Its totient is φ = 127680.

The previous prime is 281069. The next prime is 281081. The reversal of 281072 is 270182.

281072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623 + ... + 974.

2²⁸¹⁰⁷² is an apocalyptic number.

281072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

281072 is an abundant number, since it is smaller than the sum of its proper divisors (313384).

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

281072 is a wasteful number, since it uses less digits than its factorization.

281072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 281072 is about 530.1622393192. The cubic root of 281072 is about 65.5047099540.

It can be divided in two parts, 2810 and 72, that added together give a palindrome (2882).

The spelling of 281072 in words is "two hundred eighty-one thousand, seventy-two".