744750252 has 18 divisors (see below), whose sum is σ = 1882563228. Its totient is φ = 248250072.

The previous prime is 744750217. The next prime is 744750257. The reversal of 744750252 is 252057447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20687507 = 744750252 / (7 + 4 + 4 + 7 + 5 + 0 + 2 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (744750257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10343718 + ... + 10343789.

It is an arithmetic number, because the mean of its divisors is an integer number (104586846).

Almost surely, 2^744750252 is an apocalyptic number.

It is an amenable number.

744750252 is an abundant number, since it is smaller than the sum of its proper divisors (1137812976).

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

744750252 is a wasteful number, since it uses less digits than its factorization.

744750252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20687517 (or 20687512 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 744750252 is about 27290.1127150476. The cubic root of 744750252 is about 906.4354586944.

The spelling of 744750252 in words is "seven hundred forty-four million, seven hundred fifty thousand, two hundred fifty-two".