28073554 has 8 divisors (see below), whose sum is σ = 42149808. Its totient is φ = 14023620.

The previous prime is 28073533. The next prime is 28073567. The reversal of 28073554 is 45537082.

It is a happy number.

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

It is an unprimeable number.

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, 3652 + ... + 8335.

It is an arithmetic number, because the mean of its divisors is an integer number (5268726).

Almost surely, 2^28073554 is an apocalyptic number.

28073554 is a deficient number, since it is larger than the sum of its proper divisors (14076254).

28073554 is a wasteful number, since it uses less digits than its factorization.

28073554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13160.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 28073554 is about 5298.4482634069. The cubic root of 28073554 is about 303.9245614405.

The spelling of 28073554 in words is "twenty-eight million, seventy-three thousand, five hundred fifty-four".