650738772 has 60 divisors (see below), whose sum is σ = 1759845780. Its totient is φ = 209430144.

The previous prime is 650738749. The next prime is 650738779. The reversal of 650738772 is 277837056.

650738772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 434472336 + 216266436 = 20844^2 + 14706^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650738779) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25233 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (29330763).

Almost surely, 2^650738772 is an apocalyptic number.

It is an amenable number.

650738772 is an abundant number, since it is smaller than the sum of its proper divisors (1109107008).

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

650738772 is a wasteful number, since it uses less digits than its factorization.

650738772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69302 (or 69291 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 650738772 is about 25509.5819644305. The cubic root of 650738772 is about 866.5671622118.

The spelling of 650738772 in words is "six hundred fifty million, seven hundred thirty-eight thousand, seven hundred seventy-two".