42771598 has 16 divisors (see below), whose sum is σ = 65759040. Its totient is φ = 20855296.

The previous prime is 42771587. The next prime is 42771601. The reversal of 42771598 is 89517724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32538 + ... + 33826.

It is an arithmetic number, because the mean of its divisors is an integer number (4109940).

Almost surely, 2^42771598 is an apocalyptic number.

42771598 is a deficient number, since it is larger than the sum of its proper divisors (22987442).

42771598 is a wasteful number, since it uses less digits than its factorization.

42771598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 141120, while the sum is 43.

The square root of 42771598 is about 6539.9998470948. Note that the first 3 decimals coincide. The cubic root of 42771598 is about 349.7184075191.

The spelling of 42771598 in words is "forty-two million, seven hundred seventy-one thousand, five hundred ninety-eight".