528733730 has 16 divisors (see below), whose sum is σ = 1087680960. Its totient is φ = 181280112.

The previous prime is 528733727. The next prime is 528733747. The reversal of 528733730 is 37337825.

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, 3776600 + ... + 3776739.

It is an arithmetic number, because the mean of its divisors is an integer number (67980060).

Almost surely, 2^528733730 is an apocalyptic number.

528733730 is an abundant number, since it is smaller than the sum of its proper divisors (558947230).

528733730 is a wasteful number, since it uses less digits than its factorization.

528733730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553353.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 528733730 is about 22994.2107931540. The cubic root of 528733730 is about 808.6222221281.

The spelling of 528733730 in words is "five hundred twenty-eight million, seven hundred thirty-three thousand, seven hundred thirty".