27045450 has 36 divisors (see below), whose sum is σ = 72663318. Its totient is φ = 7212000.

The previous prime is 27045439. The next prime is 27045451. The reversal of 27045450 is 5454072.

It can be written as a sum of positive squares in 3 ways, for example, as 19900521 + 7144929 = 4461^2 + 2673^2 .

It is not an unprimeable number, because it can be changed into a prime (27045451) 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 17 ways as a sum of consecutive naturals, for example, 29601 + ... + 30500.

Almost surely, 2^27045450 is an apocalyptic number.

27045450 is an abundant number, since it is smaller than the sum of its proper divisors (45617868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27045450 is a wasteful number, since it uses less digits than its factorization.

27045450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60119 (or 60111 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 27045450 is about 5200.5240120588. The cubic root of 27045450 is about 300.1682389679.

It can be divided in two parts, 27045 and 450, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 27045450 in words is "twenty-seven million, forty-five thousand, four hundred fifty".