27142475 has 12 divisors (see below), whose sum is σ = 33755280. Its totient is φ = 21650400.

The previous prime is 27142459. The next prime is 27142477. The reversal of 27142475 is 57424172.

It is not a de Polignac number, because 27142475 - 2⁴ = 27142459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27142477) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8330 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (2812940).

Almost surely, 2^27142475 is an apocalyptic number.

27142475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27142475 is a deficient number, since it is larger than the sum of its proper divisors (6612805).

27142475 is a wasteful number, since it uses less digits than its factorization.

27142475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3185 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 27142475 is about 5209.8440475699. The cubic root of 27142475 is about 300.5267597245.

The spelling of 27142475 in words is "twenty-seven million, one hundred forty-two thousand, four hundred seventy-five".