744750216 has 72 divisors (see below), whose sum is σ = 2346354270. Its totient is φ = 212784768.

The previous prime is 744750211. The next prime is 744750217. The reversal of 744750216 is 612057447.

744750216 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 only one way, i.e., 645668100 + 99082116 = 25410^2 + 9954^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (744750211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 102021 + ... + 109076.

Almost surely, 2^744750216 is an apocalyptic number.

It is an amenable number.

744750216 is an abundant number, since it is smaller than the sum of its proper divisors (1601604054).

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

744750216 is a wasteful number, since it uses less digits than its factorization.

744750216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211123 (or 211109 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 744750216 is about 27290.1120554680. The cubic root of 744750216 is about 906.4354440892.

The spelling of 744750216 in words is "seven hundred forty-four million, seven hundred fifty thousand, two hundred sixteen".