28533070 has 8 divisors (see below), whose sum is σ = 51359544. Its totient is φ = 11413224.

The previous prime is 28533061. The next prime is 28533077. The reversal of 28533070 is 7033582.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533077) 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, 1426644 + ... + 1426663.

It is an arithmetic number, because the mean of its divisors is an integer number (6419943).

Almost surely, 2^28533070 is an apocalyptic number.

28533070 is a deficient number, since it is larger than the sum of its proper divisors (22826474).

28533070 is a wasteful number, since it uses less digits than its factorization.

28533070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853314.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 28533070 is about 5341.6355173299. The cubic root of 28533070 is about 305.5738368248.

The spelling of 28533070 in words is "twenty-eight million, five hundred thirty-three thousand, seventy".