27428716 has 24 divisors (see below), whose sum is σ = 55349280. Its totient is φ = 11649792.

The previous prime is 27428699. The next prime is 27428741. The reversal of 27428716 is 61782472.

It is a super-2 number, since 2×27428716² = 1504668922817312, which contains 22 as substring.

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, 1171 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (2306220).

Almost surely, 2^27428716 is an apocalyptic number.

It is an amenable number.

27428716 is an abundant number, since it is smaller than the sum of its proper divisors (27920564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27428716 is a wasteful number, since it uses less digits than its factorization.

27428716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8793 (or 8791 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 27428716 is about 5237.2431679272. The cubic root of 27428716 is about 301.5795063082.

The spelling of 27428716 in words is "twenty-seven million, four hundred twenty-eight thousand, seven hundred sixteen".