28674767 has 32 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 22865920.

The previous prime is 28674719. The next prime is 28674769. The reversal of 28674767 is 76747682.

It is a de Polignac number, because none of the positive numbers 2^k-28674767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28674769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253703 + ... + 253815.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^28674767 is an apocalyptic number.

28674767 is a deficient number, since it is larger than the sum of its proper divisors (6783793).

28674767 is a wasteful number, since it uses less digits than its factorization.

28674767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its digits is 790272, while the sum is 47.

The square root of 28674767 is about 5354.8825383943. The cubic root of 28674767 is about 306.0788346869.

The spelling of 28674767 in words is "twenty-eight million, six hundred seventy-four thousand, seven hundred sixty-seven".