1071782490 has 32 divisors (see below), whose sum is σ = 2579673600. Its totient is φ = 284986944.

The previous prime is 1071782489. The next prime is 1071782519. The reversal of 1071782490 is 942871701.

It is a super-2 number, since 2×1071782490² = 2297435411741200200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40714 + ... + 61653.

It is an arithmetic number, because the mean of its divisors is an integer number (80614800).

Almost surely, 2^1071782490 is an apocalyptic number.

1071782490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071782490 is an abundant number, since it is smaller than the sum of its proper divisors (1507891110).

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

1071782490 is a wasteful number, since it uses less digits than its factorization.

1071782490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102726.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 1071782490 is about 32738.0892845016. The cubic root of 1071782490 is about 1023.3767652547.

The spelling of 1071782490 in words is "one billion, seventy-one million, seven hundred eighty-two thousand, four hundred ninety".