42947063 has 4 divisors (see below), whose sum is σ = 43055640. Its totient is φ = 42838488.

The previous prime is 42947033. The next prime is 42947089. The reversal of 42947063 is 36074924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42947063 - 2¹⁸ = 42684919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42947033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53693 + ... + 54486.

It is an arithmetic number, because the mean of its divisors is an integer number (10763910).

Almost surely, 2^42947063 is an apocalyptic number.

42947063 is a deficient number, since it is larger than the sum of its proper divisors (108577).

42947063 is a wasteful number, since it uses less digits than its factorization.

42947063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108576.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42947063 is about 6553.4008728293. The cubic root of 42947063 is about 350.1959800378.

The spelling of 42947063 in words is "forty-two million, nine hundred forty-seven thousand, sixty-three".