1000730880 has 108 divisors (see below), whose sum is σ = 3462464460. Its totient is φ = 266858496.

The previous prime is 1000730879. The next prime is 1000730881. The reversal of 1000730880 is 880370001.

It is an interprime number because it is at equal distance from previous prime (1000730879) and next prime (1000730881).

It can be written as a sum of positive squares in 2 ways, for example, as 348643584 + 652087296 = 18672^2 + 25536^2 .

It is not an unprimeable number, because it can be changed into a prime (1000730881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31915 + ... + 54954.

Almost surely, 2^1000730880 is an apocalyptic number.

1000730880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000730880 is an abundant number, since it is smaller than the sum of its proper divisors (2461733580).

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

1000730880 is an equidigital number, since it uses as much as digits as its factorization.

1000730880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86896 (or 86879 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1000730880 is about 31634.3307183825. The cubic root of 1000730880 is about 1000.2435673368.

The spelling of 1000730880 in words is "one billion, seven hundred thirty thousand, eight hundred eighty".