1326325730 has 16 divisors (see below), whose sum is σ = 2469710520. Its totient is φ = 512236032.

The previous prime is 1326325711. The next prime is 1326325733. The reversal of 1326325730 is 375236231.

It can be written as a sum of positive squares in 4 ways, for example, as 862655641 + 463670089 = 29371^2 + 21533^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1326325733) 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 7 ways as a sum of consecutive naturals, for example, 2286479 + ... + 2287058.

Almost surely, 2^1326325730 is an apocalyptic number.

1326325730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326325730 is a deficient number, since it is larger than the sum of its proper divisors (1143384790).

1326325730 is a wasteful number, since it uses less digits than its factorization.

1326325730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573573.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 1326325730 is about 36418.7551956406. The cubic root of 1326325730 is about 1098.7108119900.

The spelling of 1326325730 in words is "one billion, three hundred twenty-six million, three hundred twenty-five thousand, seven hundred thirty".