28474067 has 4 divisors (see below), whose sum is σ = 28633320. Its totient is φ = 28314816.

The previous prime is 28474013. The next prime is 28474087. The reversal of 28474067 is 76047482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28474067 - 2⁶ = 28474003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28474067.

It is not an unprimeable number, because it can be changed into a prime (28474087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79358 + ... + 79715.

It is an arithmetic number, because the mean of its divisors is an integer number (7158330).

Almost surely, 2^28474067 is an apocalyptic number.

28474067 is a deficient number, since it is larger than the sum of its proper divisors (159253).

28474067 is a wasteful number, since it uses less digits than its factorization.

28474067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159252.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 28474067 is about 5336.1097252587. The cubic root of 28474067 is about 305.3630613375.

The spelling of 28474067 in words is "twenty-eight million, four hundred seventy-four thousand, sixty-seven".