42847697 has 8 divisors (see below), whose sum is σ = 43281216. Its totient is φ = 42416752.

The previous prime is 42847669. The next prime is 42847711. The reversal of 42847697 is 79674824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42847697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42847627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51398 + ... + 52224.

It is an arithmetic number, because the mean of its divisors is an integer number (5410152).

Almost surely, 2^42847697 is an apocalyptic number.

It is an amenable number.

42847697 is a deficient number, since it is larger than the sum of its proper divisors (433519).

42847697 is a wasteful number, since it uses less digits than its factorization.

42847697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287.

The product of its digits is 677376, while the sum is 47.

The square root of 42847697 is about 6545.8152280675. The cubic root of 42847697 is about 349.9256903466.

The spelling of 42847697 in words is "forty-two million, eight hundred forty-seven thousand, six hundred ninety-seven".