28070750 has 32 divisors (see below), whose sum is σ = 53688960. Its totient is φ = 10984800.

The previous prime is 28070737. The next prime is 28070759. The reversal of 28070750 is 5707082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28070759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10556 + ... + 12944.

It is an arithmetic number, because the mean of its divisors is an integer number (1677780).

Almost surely, 2^28070750 is an apocalyptic number.

28070750 is a deficient number, since it is larger than the sum of its proper divisors (25618210).

28070750 is a wasteful number, since it uses less digits than its factorization.

28070750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 28070750 is about 5298.1836510261. The cubic root of 28070750 is about 303.9144423934.

The spelling of 28070750 in words is "twenty-eight million, seventy thousand, seven hundred fifty".