1530766 has 4 divisors (see below), whose sum is σ = 2296152. Its totient is φ = 765382.

The previous prime is 1530721. The next prime is 1530779. The reversal of 1530766 is 6670351.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 382690 + ... + 382693.

It is an arithmetic number, because the mean of its divisors is an integer number (574038).

2^1530766 is an apocalyptic number.

1530766 is the 783-rd centered pentagonal number.

1530766 is a deficient number, since it is larger than the sum of its proper divisors (765386).

1530766 is an equidigital number, since it uses as much as digits as its factorization.

1530766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765385.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1530766 is about 1237.2412860877. The cubic root of 1530766 is about 115.2487620698.

The spelling of 1530766 in words is "one million, five hundred thirty thousand, seven hundred sixty-six".