28473674 has 8 divisors (see below), whose sum is σ = 45222948. Its totient is φ = 13399360.

The previous prime is 28473673. The next prime is 28473713. The reversal of 28473674 is 47637482.

It can be written as a sum of positive squares in 2 ways, for example, as 28462225 + 11449 = 5335^2 + 107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28473674² = 1621500222116552, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28473673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418697 + ... + 418764.

Almost surely, 2^28473674 is an apocalyptic number.

28473674 is a deficient number, since it is larger than the sum of its proper divisors (16749274).

28473674 is a wasteful number, since it uses less digits than its factorization.

28473674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837480.

The product of its digits is 225792, while the sum is 41.

The square root of 28473674 is about 5336.0729005515. The cubic root of 28473674 is about 305.3616564541.

The spelling of 28473674 in words is "twenty-eight million, four hundred seventy-three thousand, six hundred seventy-four".