42830719 has 8 divisors (see below), whose sum is σ = 44548160. Its totient is φ = 41142816.

The previous prime is 42830717. The next prime is 42830789. The reversal of 42830719 is 91703824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42830719 - 2¹ = 42830717 is a prime.

It is a super-2 number, since 2×42830719² = 3668940980113922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42830713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (5568520).

Almost surely, 2^42830719 is an apocalyptic number.

42830719 is a deficient number, since it is larger than the sum of its proper divisors (1717441).

42830719 is a wasteful number, since it uses less digits than its factorization.

42830719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42830719 is about 6544.5182404819. The cubic root of 42830719 is about 349.8794659779.

The spelling of 42830719 in words is "forty-two million, eight hundred thirty thousand, seven hundred nineteen".