42880727 has 2 divisors, whose sum is σ = 42880728. Its totient is φ = 42880726.

The previous prime is 42880699. The next prime is 42880729. The reversal of 42880727 is 72708824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42880727 - 2²⁰ = 41832151 is a prime.

Together with 42880729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42880729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21440363 + 21440364.

It is an arithmetic number, because the mean of its divisors is an integer number (21440364).

Almost surely, 2^42880727 is an apocalyptic number.

42880727 is a deficient number, since it is larger than the sum of its proper divisors (1).

42880727 is an equidigital number, since it uses as much as digits as its factorization.

42880727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 42880727 is about 6548.3377280040. The cubic root of 42880727 is about 350.0155829797.

The spelling of 42880727 in words is "forty-two million, eight hundred eighty thousand, seven hundred twenty-seven".