27470497 has 8 divisors (see below), whose sum is σ = 27931176. Its totient is φ = 27013632.

The previous prime is 27470479. The next prime is 27470501. The reversal of 27470497 is 79407472.

It can be written as a sum of positive squares in 4 ways, for example, as 2430481 + 25040016 = 1559^2 + 5004^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 27470497 - 2¹⁹ = 26946209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27470407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15963 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (3491397).

Almost surely, 2^27470497 is an apocalyptic number.

It is an amenable number.

27470497 is a deficient number, since it is larger than the sum of its proper divisors (460679).

27470497 is a wasteful number, since it uses less digits than its factorization.

27470497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 27470497 is about 5241.2304852964. The cubic root of 27470497 is about 301.7325563809.

The spelling of 27470497 in words is "twenty-seven million, four hundred seventy thousand, four hundred ninety-seven".