27280532 has 12 divisors (see below), whose sum is σ = 49387380. Its totient is φ = 13169856.

The previous prime is 27280511. The next prime is 27280537. The reversal of 27280532 is 23508272.

It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 10666756 = 4076^2 + 3266^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 27280495 and 27280504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27280537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117473 + ... + 117704.

It is an arithmetic number, because the mean of its divisors is an integer number (4115615).

Almost surely, 2^27280532 is an apocalyptic number.

It is an amenable number.

27280532 is a deficient number, since it is larger than the sum of its proper divisors (22106848).

27280532 is a wasteful number, since it uses less digits than its factorization.

27280532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235210 (or 235208 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 27280532 is about 5223.0768709641. The cubic root of 27280532 is about 301.0354295812.

The spelling of 27280532 in words is "twenty-seven million, two hundred eighty thousand, five hundred thirty-two".