47942107 has 4 divisors (see below), whose sum is σ = 48210120. Its totient is φ = 47674096.

The previous prime is 47942077. The next prime is 47942123. The reversal of 47942107 is 70124974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70124974 = 2 ⋅35062487.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47942107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47942137) 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, 133738 + ... + 134095.

It is an arithmetic number, because the mean of its divisors is an integer number (12052530).

Almost surely, 2^47942107 is an apocalyptic number.

47942107 is a deficient number, since it is larger than the sum of its proper divisors (268013).

47942107 is a wasteful number, since it uses less digits than its factorization.

47942107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268012.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 47942107 is about 6924.0239023273. The cubic root of 47942107 is about 363.2779506715.

The spelling of 47942107 in words is "forty-seven million, nine hundred forty-two thousand, one hundred seven".