42728350 has 24 divisors (see below), whose sum is σ = 90829008. Its totient is φ = 14649600.

The previous prime is 42728347. The next prime is 42728381. The reversal of 42728350 is 5382724.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 60691 + ... + 61390.

It is an arithmetic number, because the mean of its divisors is an integer number (3784542).

Almost surely, 2^42728350 is an apocalyptic number.

42728350 is an abundant number, since it is smaller than the sum of its proper divisors (48100658).

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

42728350 is a wasteful number, since it uses less digits than its factorization.

42728350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122100 (or 122095 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 42728350 is about 6536.6925887638. The cubic root of 42728350 is about 349.6004965459.

The spelling of 42728350 in words is "forty-two million, seven hundred twenty-eight thousand, three hundred fifty".