42681703 has 2 divisors, whose sum is σ = 42681704. Its totient is φ = 42681702.

The previous prime is 42681701. The next prime is 42681731. The reversal of 42681703 is 30718624.

42681703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42681703 - 2¹ = 42681701 is a prime.

It is a super-3 number, since 3×42681703³ (a number of 24 digits) contains 333 as substring.

Together with 42681701, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42681701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21340851 + 21340852.

It is an arithmetic number, because the mean of its divisors is an integer number (21340852).

Almost surely, 2^42681703 is an apocalyptic number.

42681703 is a deficient number, since it is larger than the sum of its proper divisors (1).

42681703 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 12 representation: 42681703 = (12364087)₁₂.

42681703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42681703 is about 6533.1235255427. The cubic root of 42681703 is about 349.4732293455.

The spelling of 42681703 in words is "forty-two million, six hundred eighty-one thousand, seven hundred three".