765055000 has 80 divisors (see below), whose sum is σ = 1826977680. Its totient is φ = 300144000.

The previous prime is 765054967. The next prime is 765055021. The reversal of 765055000 is 550567.

It is a self number, because there is not a number n which added to its sum of digits gives 765055000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 263557 + ... + 266443.

It is an arithmetic number, because the mean of its divisors is an integer number (22837221).

Almost surely, 2^765055000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 765055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913488840).

765055000 is an abundant number, since it is smaller than the sum of its proper divisors (1061922680).

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

765055000 is a wasteful number, since it uses less digits than its factorization.

765055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 765055000 is about 27659.6276186069. The cubic root of 765055000 is about 914.5993448294.

The spelling of 765055000 in words is "seven hundred sixty-five million, fifty-five thousand".