1528729030 has 8 divisors (see below), whose sum is σ = 2751712272. Its totient is φ = 611491608.

The previous prime is 1528729019. The next prime is 1528729039. The reversal of 1528729030 is 309278251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528729039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76436442 + ... + 76436461.

It is an arithmetic number, because the mean of its divisors is an integer number (343964034).

Almost surely, 2^1528729030 is an apocalyptic number.

1528729030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1528729030 is a deficient number, since it is larger than the sum of its proper divisors (1222983242).

1528729030 is a wasteful number, since it uses less digits than its factorization.

1528729030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152872910.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1528729030 is about 39098.9645642950. The cubic root of 1528729030 is about 1151.9761937877.

The spelling of 1528729030 in words is "one billion, five hundred twenty-eight million, seven hundred twenty-nine thousand, thirty".