28070046 has 12 divisors (see below), whose sum is σ = 60818472. Its totient is φ = 9356676.

The previous prime is 28069997. The next prime is 28070047. The reversal of 28070046 is 64007082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28070047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779706 + ... + 779741.

It is an arithmetic number, because the mean of its divisors is an integer number (5068206).

Almost surely, 2^28070046 is an apocalyptic number.

28070046 is an abundant number, since it is smaller than the sum of its proper divisors (32748426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28070046 is a wasteful number, since it uses less digits than its factorization.

28070046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559455 (or 1559452 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28070046 is about 5298.1172127464. The cubic root of 28070046 is about 303.9119016994.

The spelling of 28070046 in words is "twenty-eight million, seventy thousand, forty-six".