28671734 has 32 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 11280672.

The previous prime is 28671733. The next prime is 28671757. The reversal of 28671734 is 43717682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28671733) 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, 47567 + ... + 48165.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^28671734 is an apocalyptic number.

28671734 is a deficient number, since it is larger than the sum of its proper divisors (24550666).

28671734 is a wasteful number, since it uses less digits than its factorization.

28671734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 56448, while the sum is 38.

The square root of 28671734 is about 5354.5993314159. The cubic root of 28671734 is about 306.0680427382.

The spelling of 28671734 in words is "twenty-eight million, six hundred seventy-one thousand, seven hundred thirty-four".