761130820 has 12 divisors (see below), whose sum is σ = 1598374764. Its totient is φ = 304452320.

The previous prime is 761130707. The next prime is 761130869. The reversal of 761130820 is 28031167.

It can be written as a sum of positive squares in 2 ways, for example, as 342028036 + 419102784 = 18494^2 + 20472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19028251 + ... + 19028290.

It is an arithmetic number, because the mean of its divisors is an integer number (133197897).

Almost surely, 2^761130820 is an apocalyptic number.

It is an amenable number.

761130820 is an abundant number, since it is smaller than the sum of its proper divisors (837243944).

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

761130820 is a wasteful number, since it uses less digits than its factorization.

761130820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38056550 (or 38056548 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 761130820 is about 27588.5994570221. The cubic root of 761130820 is about 913.0329187033.

Adding to 761130820 its reverse (28031167), we get a palindrome (789161987).

The spelling of 761130820 in words is "seven hundred sixty-one million, one hundred thirty thousand, eight hundred twenty".