27280497 has 8 divisors (see below), whose sum is σ = 36413344. Its totient is φ = 18167328.

The previous prime is 27280493. The next prime is 27280511. The reversal of 27280497 is 79408272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27280497 - 2² = 27280493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27280493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303 + ... + 7500.

It is an arithmetic number, because the mean of its divisors is an integer number (4551668).

Almost surely, 2^27280497 is an apocalyptic number.

It is an amenable number.

27280497 is a deficient number, since it is larger than the sum of its proper divisors (9132847).

27280497 is a wasteful number, since it uses less digits than its factorization.

27280497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9839.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 27280497 is about 5223.0735204475. The cubic root of 27280497 is about 301.0353008417.

The spelling of 27280497 in words is "twenty-seven million, two hundred eighty thousand, four hundred ninety-seven".