27145628 has 6 divisors (see below), whose sum is σ = 47504856. Its totient is φ = 13572812.

The previous prime is 27145627. The next prime is 27145637. The reversal of 27145628 is 82654172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27145621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393200 + ... + 3393207.

It is an arithmetic number, because the mean of its divisors is an integer number (7917476).

Almost surely, 2^27145628 is an apocalyptic number.

It is an amenable number.

27145628 is a deficient number, since it is larger than the sum of its proper divisors (20359228).

27145628 is a wasteful number, since it uses less digits than its factorization.

27145628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786411 (or 6786409 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 27145628 is about 5210.1466390112. The cubic root of 27145628 is about 300.5383961502.

The spelling of 27145628 in words is "twenty-seven million, one hundred forty-five thousand, six hundred twenty-eight".