27752146 has 8 divisors (see below), whose sum is σ = 42753420. Its totient is φ = 13501008.

The previous prime is 27752119. The next prime is 27752149. The reversal of 27752146 is 64125772.

It can be written as a sum of positive squares in 2 ways, for example, as 27405225 + 346921 = 5235^2 + 589^2 .

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

It is not an unprimeable number, because it can be changed into a prime (27752149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187441 + ... + 187588.

Almost surely, 2^27752146 is an apocalyptic number.

27752146 is a deficient number, since it is larger than the sum of its proper divisors (15001274).

27752146 is a wasteful number, since it uses less digits than its factorization.

27752146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375068.

The product of its digits is 23520, while the sum is 34.

The square root of 27752146 is about 5268.0305617944. The cubic root of 27752146 is about 302.7602514097.

The spelling of 27752146 in words is "twenty-seven million, seven hundred fifty-two thousand, one hundred forty-six".