42708319 has 2 divisors, whose sum is σ = 42708320. Its totient is φ = 42708318.

The previous prime is 42708313. The next prime is 42708343. The reversal of 42708319 is 91380724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42708319 - 2³ = 42708311 is a prime.

It is a super-2 number, since 2×42708319² = 3648001023611522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42708311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354159 + 21354160.

It is an arithmetic number, because the mean of its divisors is an integer number (21354160).

Almost surely, 2^42708319 is an apocalyptic number.

42708319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42708319 is an equidigital number, since it uses as much as digits as its factorization.

42708319 is an evil number, because the sum of its binary digits is even.

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

The square root of 42708319 is about 6535.1602122672. The cubic root of 42708319 is about 349.5458572401.

The spelling of 42708319 in words is "forty-two million, seven hundred eight thousand, three hundred nineteen".