428650075 has 24 divisors (see below), whose sum is σ = 616032000. Its totient is φ = 289783200.

The previous prime is 428650063. The next prime is 428650091. The reversal of 428650075 is 570056824.

It is a happy number.

It is not a de Polignac number, because 428650075 - 2⁹ = 428649563 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4825 + ... + 29674.

It is an arithmetic number, because the mean of its divisors is an integer number (25668000).

Almost surely, 2^428650075 is an apocalyptic number.

428650075 is a deficient number, since it is larger than the sum of its proper divisors (187381925).

428650075 is a wasteful number, since it uses less digits than its factorization.

428650075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34587 (or 34582 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 428650075 is about 20703.8661848458. The cubic root of 428650075 is about 753.9935568545.

The spelling of 428650075 in words is "four hundred twenty-eight million, six hundred fifty thousand, seventy-five".