27280070 has 32 divisors (see below), whose sum is σ = 54260928. Its totient is φ = 9822208.

The previous prime is 27280049. The next prime is 27280073. The reversal of 27280070 is 7008272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27280073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (1695654).

Almost surely, 2^27280070 is an apocalyptic number.

27280070 is a deficient number, since it is larger than the sum of its proper divisors (26980858).

27280070 is a wasteful number, since it uses less digits than its factorization.

27280070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 27280070 is about 5223.0326439723. The cubic root of 27280070 is about 301.0337302112.

The spelling of 27280070 in words is "twenty-seven million, two hundred eighty thousand, seventy".