42704104 has 8 divisors (see below), whose sum is σ = 80070210. Its totient is φ = 21352048.

The previous prime is 42704093. The next prime is 42704107. The reversal of 42704104 is 40140724.

42704104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 17724100 = 4998^2 + 4210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42704107) 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, 2668999 + ... + 2669014.

Almost surely, 2^42704104 is an apocalyptic number.

It is an amenable number.

42704104 is a deficient number, since it is larger than the sum of its proper divisors (37366106).

42704104 is a wasteful number, since it uses less digits than its factorization.

42704104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338019 (or 5338015 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42704104 is about 6534.8377179544. The cubic root of 42704104 is about 349.5343576518.

Adding to 42704104 its reverse (40140724), we get a palindrome (82844828).

The spelling of 42704104 in words is "forty-two million, seven hundred four thousand, one hundred four".