1530433730 has 32 divisors (see below), whose sum is σ = 3249884160. Its totient is φ = 507792960.

The previous prime is 1530433727. The next prime is 1530433757. The reversal of 1530433730 is 373340351.

It is a junction number, because it is equal to n+sod(n) for n = 1530433693 and 1530433702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350465 + ... + 354804.

It is an arithmetic number, because the mean of its divisors is an integer number (101558880).

Almost surely, 2^1530433730 is an apocalyptic number.

1530433730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530433730 is an abundant number, since it is smaller than the sum of its proper divisors (1719450430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530433730 is a wasteful number, since it uses less digits than its factorization.

1530433730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705314.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 1530433730 is about 39120.7583004215. The cubic root of 1530433730 is about 1152.4042278583.

The spelling of 1530433730 in words is "one billion, five hundred thirty million, four hundred thirty-three thousand, seven hundred thirty".