42744308 has 12 divisors (see below), whose sum is σ = 75005700. Its totient is φ = 21314112.

The previous prime is 42744277. The next prime is 42744313. The reversal of 42744308 is 80344724.

42744308 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 21418384 + 21325924 = 4628^2 + 4618^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12833 + ... + 15816.

It is an arithmetic number, because the mean of its divisors is an integer number (6250475).

Almost surely, 2^42744308 is an apocalyptic number.

It is an amenable number.

42744308 is a deficient number, since it is larger than the sum of its proper divisors (32261392).

42744308 is a wasteful number, since it uses less digits than its factorization.

42744308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29026 (or 29024 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 42744308 is about 6537.9131227021. The cubic root of 42744308 is about 349.6440135577.

The spelling of 42744308 in words is "forty-two million, seven hundred forty-four thousand, three hundred eight".