27440474 has 8 divisors (see below), whose sum is σ = 41279700. Its totient is φ = 13680576.

The previous prime is 27440461. The next prime is 27440513. The reversal of 27440474 is 47404472.

It can be written as a sum of positive squares in 2 ways, for example, as 26450449 + 990025 = 5143^2 + 995^2 .

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

It is a super-2 number, since 2×27440474² = 1505959226689352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27440474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18959 + ... + 20354.

Almost surely, 2^27440474 is an apocalyptic number.

27440474 is a deficient number, since it is larger than the sum of its proper divisors (13839226).

27440474 is a wasteful number, since it uses less digits than its factorization.

27440474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39664.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 27440474 is about 5238.3655847984. The cubic root of 27440474 is about 301.6225933326.

The spelling of 27440474 in words is "twenty-seven million, four hundred forty thousand, four hundred seventy-four".