1782116530 has 16 divisors (see below), whose sum is σ = 3311288064. Its totient is φ = 689851440.

The previous prime is 1782116513. The next prime is 1782116551. The reversal of 1782116530 is 356112871.

It is a happy number.

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, 2874072 + ... + 2874691.

It is an arithmetic number, because the mean of its divisors is an integer number (206955504).

Almost surely, 2^1782116530 is an apocalyptic number.

1782116530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1782116530 is a deficient number, since it is larger than the sum of its proper divisors (1529171534).

1782116530 is a wasteful number, since it uses less digits than its factorization.

1782116530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748801.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1782116530 is about 42215.1220535959. The cubic root of 1782116530 is about 1212.3984324176.

The spelling of 1782116530 in words is "one billion, seven hundred eighty-two million, one hundred sixteen thousand, five hundred thirty".