765013530 has 64 divisors (see below), whose sum is σ = 1941033600. Its totient is φ = 192430080.

The previous prime is 765013523. The next prime is 765013577. The reversal of 765013530 is 35310567.

765013530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134586 + ... + 140154.

It is an arithmetic number, because the mean of its divisors is an integer number (30328650).

Almost surely, 2^765013530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 765013530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970516800).

765013530 is an abundant number, since it is smaller than the sum of its proper divisors (1176020070).

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

765013530 is a wasteful number, since it uses less digits than its factorization.

765013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 765013530 is about 27658.8779598884. The cubic root of 765013530 is about 914.5828191678.

The spelling of 765013530 in words is "seven hundred sixty-five million, thirteen thousand, five hundred thirty".