27470005 has 8 divisors (see below), whose sum is σ = 33002424. Its totient is φ = 21950400.

The previous prime is 27469993. The next prime is 27470017. The reversal of 27470005 is 50007472.

It is an interprime number because it is at equal distance from previous prime (27469993) and next prime (27470017).

It can be written as a sum of positive squares in 4 ways, for example, as 2007889 + 25462116 = 1417^2 + 5046^2 .

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

It is not a de Polignac number, because 27470005 - 2⁹ = 27469493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2415 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (4125303).

Almost surely, 2^27470005 is an apocalyptic number.

It is an amenable number.

27470005 is a deficient number, since it is larger than the sum of its proper divisors (5532419).

27470005 is a wasteful number, since it uses less digits than its factorization.

27470005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 27470005 is about 5241.1835495430. The cubic root of 27470005 is about 301.7307550143.

Adding to 27470005 its reverse (50007472), we get a palindrome (77477477).

The spelling of 27470005 in words is "twenty-seven million, four hundred seventy thousand, five".