28325750 has 32 divisors (see below), whose sum is σ = 54868320. Its totient is φ = 10936800.

The previous prime is 28325749. The next prime is 28325821. The reversal of 28325750 is 5752382.

It is a super-2 number, since 2×28325750² = 1604696226125000, which contains 22 as substring.

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, 5297 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (1714635).

Almost surely, 2^28325750 is an apocalyptic number.

28325750 is a deficient number, since it is larger than the sum of its proper divisors (26542570).

28325750 is a wasteful number, since it uses less digits than its factorization.

28325750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 28325750 is about 5322.1940964230. The cubic root of 28325750 is about 304.8319418145.

The spelling of 28325750 in words is "twenty-eight million, three hundred twenty-five thousand, seven hundred fifty".