761130009 has 12 divisors (see below), whose sum is σ = 1100279700. Its totient is φ = 507018624.

The previous prime is 761129953. The next prime is 761130049. The reversal of 761130009 is 900031167.

It can be written as a sum of positive squares in 2 ways, for example, as 655616025 + 105513984 = 25605^2 + 10272^2 .

It is not a de Polignac number, because 761130009 - 2⁷ = 761129881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (761130049) 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 11 ways as a sum of consecutive naturals, for example, 21204 + ... + 44405.

It is an arithmetic number, because the mean of its divisors is an integer number (91689975).

Almost surely, 2^761130009 is an apocalyptic number.

It is an amenable number.

761130009 is a deficient number, since it is larger than the sum of its proper divisors (339149691).

761130009 is a wasteful number, since it uses less digits than its factorization.

761130009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66904 (or 66901 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 761130009 is about 27588.5847589180. The cubic root of 761130009 is about 913.0325944183.

The spelling of 761130009 in words is "seven hundred sixty-one million, one hundred thirty thousand, nine".