42730850 has 12 divisors (see below), whose sum is σ = 79479474. Its totient is φ = 17092320.

The previous prime is 42730823. The next prime is 42730901. The reversal of 42730850 is 5803724.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 41460721 + 1270129 = 6439^2 + 1127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427259 + ... + 427358.

Almost surely, 2^42730850 is an apocalyptic number.

42730850 is a deficient number, since it is larger than the sum of its proper divisors (36748624).

42730850 is a wasteful number, since it uses less digits than its factorization.

42730850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854629 (or 854624 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42730850 is about 6536.8838141732. The cubic root of 42730850 is about 349.6073146904.

The spelling of 42730850 in words is "forty-two million, seven hundred thirty thousand, eight hundred fifty".