42847335 has 12 divisors (see below), whose sum is σ = 74268792. Its totient is φ = 22851888.

The previous prime is 42847319. The next prime is 42847379. The reversal of 42847335 is 53374824.

It is a happy number.

It is not a de Polignac number, because 42847335 - 2⁴ = 42847319 is a prime.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42847335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476037 + ... + 476126.

It is an arithmetic number, because the mean of its divisors is an integer number (6189066).

Almost surely, 2^42847335 is an apocalyptic number.

42847335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42847335 is a deficient number, since it is larger than the sum of its proper divisors (31421457).

42847335 is a wasteful number, since it uses less digits than its factorization.

42847335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952174 (or 952171 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42847335 is about 6545.7875767550. The cubic root of 42847335 is about 349.9247048914.

The spelling of 42847335 in words is "forty-two million, eight hundred forty-seven thousand, three hundred thirty-five".