42704369 has 2 divisors, whose sum is σ = 42704370. Its totient is φ = 42704368.

The previous prime is 42704359. The next prime is 42704371. The reversal of 42704369 is 96340724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 5640625 = 6088^2 + 2375^2 .

It is a cyclic number.

It is not a de Polignac number, because 42704369 - 2²⁰ = 41655793 is a prime.

It is a super-2 number, since 2×42704369² = 3647326263376322, which contains 22 as substring.

Together with 42704371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42704309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21352184 + 21352185.

It is an arithmetic number, because the mean of its divisors is an integer number (21352185).

Almost surely, 2^42704369 is an apocalyptic number.

It is an amenable number.

42704369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42704369 is an equidigital number, since it uses as much as digits as its factorization.

42704369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42704369 is about 6534.8579938664. The cubic root of 42704369 is about 349.5350806612.

The spelling of 42704369 in words is "forty-two million, seven hundred four thousand, three hundred sixty-nine".