28472127 has 16 divisors (see below), whose sum is σ = 42312960. Its totient is φ = 16924032.

The previous prime is 28472123. The next prime is 28472131. The reversal of 28472127 is 72127482.

It is an interprime number because it is at equal distance from previous prime (28472123) and next prime (28472131).

It is not a de Polignac number, because 28472127 - 2² = 28472123 is a prime.

It is a super-5 number, since 5×28472127⁵ (a number of 38 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28472123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13723 + ... + 15660.

It is an arithmetic number, because the mean of its divisors is an integer number (2644560).

Almost surely, 2^28472127 is an apocalyptic number.

28472127 is a deficient number, since it is larger than the sum of its proper divisors (13840833).

28472127 is a wasteful number, since it uses less digits than its factorization.

28472127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29422.

The product of its digits is 12544, while the sum is 33.

The square root of 28472127 is about 5335.9279417923. The cubic root of 28472127 is about 305.3561261639.

The spelling of 28472127 in words is "twenty-eight million, four hundred seventy-two thousand, one hundred twenty-seven".