27420524 has 12 divisors (see below), whose sum is σ = 50808744. Its totient is φ = 12903744.

The previous prime is 27420509. The next prime is 27420529. The reversal of 27420524 is 42502472.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27420493 and 27420502.

It is not an unprimeable number, because it can be changed into a prime (27420529) 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 3 ways as a sum of consecutive naturals, for example, 201554 + ... + 201689.

It is an arithmetic number, because the mean of its divisors is an integer number (4234062).

Almost surely, 2^27420524 is an apocalyptic number.

It is an amenable number.

27420524 is a deficient number, since it is larger than the sum of its proper divisors (23388220).

27420524 is a wasteful number, since it uses less digits than its factorization.

27420524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403264 (or 403262 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 27420524 is about 5236.4610186652. The cubic root of 27420524 is about 301.5494795617.

Adding to 27420524 its reverse (42502472), we get a palindrome (69922996).

The spelling of 27420524 in words is "twenty-seven million, four hundred twenty thousand, five hundred twenty-four".