744928242 has 16 divisors (see below), whose sum is σ = 1497345600. Its totient is φ = 247061232.

The previous prime is 744928201. The next prime is 744928243. The reversal of 744928242 is 242829447.

It is a junction number, because it is equal to n+sod(n) for n = 744928194 and 744928203.

It is not an unprimeable number, because it can be changed into a prime (744928243) 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 7 ways as a sum of consecutive naturals, for example, 310753 + ... + 313140.

It is an arithmetic number, because the mean of its divisors is an integer number (93584100).

Almost surely, 2^744928242 is an apocalyptic number.

744928242 is an abundant number, since it is smaller than the sum of its proper divisors (752417358).

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

744928242 is a wasteful number, since it uses less digits than its factorization.

744928242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624097.

The product of its digits is 258048, while the sum is 42.

The square root of 744928242 is about 27293.3735914049. The cubic root of 744928242 is about 906.5076634798.

The spelling of 744928242 in words is "seven hundred forty-four million, nine hundred twenty-eight thousand, two hundred forty-two".