650745738 has 96 divisors (see below), whose sum is σ = 1543127040. Its totient is φ = 205228080.

The previous prime is 650745731. The next prime is 650745773. The reversal of 650745738 is 837547056.

650745738 is a `hidden beast` number, since 6 + 5 + 0 + 74 + 573 + 8 = 666.

650745738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 650745693 and 650745702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650745731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 707643 + ... + 708561.

It is an arithmetic number, because the mean of its divisors is an integer number (16074240).

Almost surely, 2^650745738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650745738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771563520).

650745738 is an abundant number, since it is smaller than the sum of its proper divisors (892381302).

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

650745738 is a wasteful number, since it uses less digits than its factorization.

650745738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 650745738 is about 25509.7185009949. The cubic root of 650745738 is about 866.5702543309.

The spelling of 650745738 in words is "six hundred fifty million, seven hundred forty-five thousand, seven hundred thirty-eight".