28817074 has 32 divisors (see below), whose sum is σ = 53778816. Its totient is φ = 11377920.

The previous prime is 28817069. The next prime is 28817077. The reversal of 28817074 is 47071882.

It is a super-4 number, since 4×28817074⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (28817077) 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, 1899 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (1680588).

Almost surely, 2^28817074 is an apocalyptic number.

28817074 is a deficient number, since it is larger than the sum of its proper divisors (24961742).

28817074 is a wasteful number, since it uses less digits than its factorization.

28817074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 28817074 is about 5368.1536863246. The cubic root of 28817074 is about 306.5843349134.

The spelling of 28817074 in words is "twenty-eight million, eight hundred seventeen thousand, seventy-four".