42789530 has 16 divisors (see below), whose sum is σ = 88024320. Its totient is φ = 14670672.

The previous prime is 42789521. The next prime is 42789547. The reversal of 42789530 is 3598724.

42789530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 305570 + ... + 305709.

It is an arithmetic number, because the mean of its divisors is an integer number (5501520).

Almost surely, 2^42789530 is an apocalyptic number.

42789530 is an abundant number, since it is smaller than the sum of its proper divisors (45234790).

42789530 is a wasteful number, since it uses less digits than its factorization.

42789530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611293.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 42789530 is about 6541.3706514766. The cubic root of 42789530 is about 349.7672738587.

The spelling of 42789530 in words is "forty-two million, seven hundred eighty-nine thousand, five hundred thirty".