27423028 has 6 divisors (see below), whose sum is σ = 47990306. Its totient is φ = 13711512.

The previous prime is 27423007. The next prime is 27423049. The reversal of 27423028 is 82032472.

It is an interprime number because it is at equal distance from previous prime (27423007) and next prime (27423049).

It can be written as a sum of positive squares in only one way, i.e., 24226084 + 3196944 = 4922^2 + 1788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27422987 and 27423005.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3427875 + ... + 3427882.

Almost surely, 2^27423028 is an apocalyptic number.

It is an amenable number.

27423028 is a deficient number, since it is larger than the sum of its proper divisors (20567278).

27423028 is a wasteful number, since it uses less digits than its factorization.

27423028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855761 (or 6855759 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 27423028 is about 5236.7001059828. The cubic root of 27423028 is about 301.5586582936.

The spelling of 27423028 in words is "twenty-seven million, four hundred twenty-three thousand, twenty-eight".