27425428 has 6 divisors (see below), whose sum is σ = 47994506. Its totient is φ = 13712712.

The previous prime is 27425413. The next prime is 27425477. The reversal of 27425428 is 82452472.

It can be written as a sum of positive squares in only one way, i.e., 16548624 + 10876804 = 4068^2 + 3298^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27425393 and 27425402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428175 + ... + 3428182.

Almost surely, 2^27425428 is an apocalyptic number.

It is an amenable number.

27425428 is a deficient number, since it is larger than the sum of its proper divisors (20569078).

27425428 is a wasteful number, since it uses less digits than its factorization.

27425428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856361 (or 6856359 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 27425428 is about 5236.9292529115. The cubic root of 27425428 is about 301.5674552758.

The spelling of 27425428 in words is "twenty-seven million, four hundred twenty-five thousand, four hundred twenty-eight".