42454727 has 12 divisors (see below), whose sum is σ = 49510656. Its totient is φ = 36298080.

The previous prime is 42454681. The next prime is 42454733. The reversal of 42454727 is 72745424.

It is not a de Polignac number, because 42454727 - 2⁸ = 42454471 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 (42454777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24698 + ... + 26360.

It is an arithmetic number, because the mean of its divisors is an integer number (4125888).

Almost surely, 2^42454727 is an apocalyptic number.

42454727 is a deficient number, since it is larger than the sum of its proper divisors (7055929).

42454727 is a wasteful number, since it uses less digits than its factorization.

42454727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2191 counting only the distinct ones).

The product of its digits is 62720, while the sum is 35.

The square root of 42454727 is about 6515.7291994066. The cubic root of 42454727 is about 348.8526428861.

The spelling of 42454727 in words is "forty-two million, four hundred fifty-four thousand, seven hundred twenty-seven".