28073670 has 32 divisors (see below), whose sum is σ = 68387328. Its totient is φ = 7374048.

The previous prime is 28073651. The next prime is 28073687. The reversal of 28073670 is 7637082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4974 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (2137104).

Almost surely, 2^28073670 is an apocalyptic number.

28073670 is an abundant number, since it is smaller than the sum of its proper divisors (40313658).

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

28073670 is a wasteful number, since it uses less digits than its factorization.

28073670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 28073670 is about 5298.4592099968. The cubic root of 28073670 is about 303.9249800456.

The spelling of 28073670 in words is "twenty-eight million, seventy-three thousand, six hundred seventy".