28429750 has 16 divisors (see below), whose sum is σ = 53220960. Its totient is φ = 11371800.

The previous prime is 28429747. The next prime is 28429781. The reversal of 28429750 is 5792482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56610 + ... + 57109.

It is an arithmetic number, because the mean of its divisors is an integer number (3326310).

Almost surely, 2^28429750 is an apocalyptic number.

28429750 is a deficient number, since it is larger than the sum of its proper divisors (24791210).

28429750 is a wasteful number, since it uses less digits than its factorization.

28429750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113736 (or 113726 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 28429750 is about 5331.9555512026. The cubic root of 28429750 is about 305.2045568562.

The spelling of 28429750 in words is "twenty-eight million, four hundred twenty-nine thousand, seven hundred fifty".