765520422 has 8 divisors (see below), whose sum is σ = 1531040856. Its totient is φ = 255173472.

The previous prime is 765520403. The next prime is 765520423. The reversal of 765520422 is 224025567.

It is a sphenic number, since it is the product of 3 distinct primes.

765520422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765520423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63793363 + ... + 63793374.

It is an arithmetic number, because the mean of its divisors is an integer number (191380107).

Almost surely, 2^765520422 is an apocalyptic number.

765520422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

765520422 is a wasteful number, since it uses less digits than its factorization.

765520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127586742.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 765520422 is about 27668.0397209488. The cubic root of 765520422 is about 914.7847730516.

Adding to 765520422 its reverse (224025567), we get a palindrome (989545989).

The spelling of 765520422 in words is "seven hundred sixty-five million, five hundred twenty thousand, four hundred twenty-two".