42974127 has 24 divisors (see below), whose sum is σ = 72394400. Its totient is φ = 24554880.

The previous prime is 42974123. The next prime is 42974137. The reversal of 42974127 is 72147924.

It is not a de Polignac number, because 42974127 - 2² = 42974123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42974091 and 42974100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42974123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3874 + ... + 10047.

Almost surely, 2^42974127 is an apocalyptic number.

42974127 is a deficient number, since it is larger than the sum of its proper divisors (29420273).

42974127 is a wasteful number, since it uses less digits than its factorization.

42974127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13948 (or 13931 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 42974127 is about 6555.4654297006. The cubic root of 42974127 is about 350.2695257254.

It can be divided in two parts, 42 and 974127, that added together give a square (974169 = 987²).

The spelling of 42974127 in words is "forty-two million, nine hundred seventy-four thousand, one hundred twenty-seven".