1006081730 has 48 divisors (see below), whose sum is σ = 1921200120. Its totient is φ = 379275264.

The previous prime is 1006081729. The next prime is 1006081751. The reversal of 1006081730 is 371806001.

It can be written as a sum of positive squares in 4 ways, for example, as 925315561 + 80766169 = 30419^2 + 8987^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1006081730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826082 + ... + 827298.

Almost surely, 2^1006081730 is an apocalyptic number.

1006081730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1006081730 is a deficient number, since it is larger than the sum of its proper divisors (915118390).

1006081730 is a wasteful number, since it uses less digits than its factorization.

1006081730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1006081730 is about 31718.7914334705. The cubic root of 1006081730 is about 1002.0231474474.

Adding to 1006081730 its reverse (371806001), we get a palindrome (1377887731).

The spelling of 1006081730 in words is "one billion, six million, eighty-one thousand, seven hundred thirty".