27072428 has 24 divisors (see below), whose sum is σ = 49215600. Its totient is φ = 13014848.

The previous prime is 27072407. The next prime is 27072443. The reversal of 27072428 is 82427072.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27072394 and 27072403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48326 + ... + 48882.

It is an arithmetic number, because the mean of its divisors is an integer number (2050650).

Almost surely, 2^27072428 is an apocalyptic number.

It is an amenable number.

27072428 is a deficient number, since it is larger than the sum of its proper divisors (22143172).

27072428 is a wasteful number, since it uses less digits than its factorization.

27072428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 27072428 is about 5203.1171426367. The cubic root of 27072428 is about 300.2680123452.

The spelling of 27072428 in words is "twenty-seven million, seventy-two thousand, four hundred twenty-eight".