27872450 has 12 divisors (see below), whose sum is σ = 51842850. Its totient is φ = 11148960.

The previous prime is 27872447. The next prime is 27872459. The reversal of 27872450 is 5427872.

It can be written as a sum of positive squares in 3 ways, for example, as 22174681 + 5697769 = 4709^2 + 2387^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27872450.

It is not an unprimeable number, because it can be changed into a prime (27872459) 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 5 ways as a sum of consecutive naturals, for example, 278675 + ... + 278774.

Almost surely, 2^27872450 is an apocalyptic number.

27872450 is a deficient number, since it is larger than the sum of its proper divisors (23970400).

27872450 is a wasteful number, since it uses less digits than its factorization.

27872450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557461 (or 557456 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 27872450 is about 5279.4365229634. The cubic root of 27872450 is about 303.1971036892.

The spelling of 27872450 in words is "twenty-seven million, eight hundred seventy-two thousand, four hundred fifty".