42704261 has 8 divisors (see below), whose sum is σ = 44634240. Its totient is φ = 40780432.

The previous prime is 42704257. The next prime is 42704309. The reversal of 42704261 is 16240724.

42704261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42704261 - 2² = 42704257 is a prime.

It is a super-3 number, since 3×42704261³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42704261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42704231) 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 in 7 ways as a sum of consecutive naturals, for example, 18191 + ... + 20403.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^42704261 is an apocalyptic number.

It is an amenable number.

42704261 is a deficient number, since it is larger than the sum of its proper divisors (1929979).

42704261 is a wasteful number, since it uses less digits than its factorization.

42704261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42704261 is about 6534.8497304835. The cubic root of 42704261 is about 349.5347860011.

Adding to 42704261 its reverse (16240724), we get a palindrome (58944985).

The spelling of 42704261 in words is "forty-two million, seven hundred four thousand, two hundred sixty-one".