42070704 has 40 divisors (see below), whose sum is σ = 117044592. Its totient is φ = 12944640.

The previous prime is 42070673. The next prime is 42070723. The reversal of 42070704 is 40707024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33087 + ... + 34334.

Almost surely, 2^42070704 is an apocalyptic number.

It is an amenable number.

42070704 is an abundant number, since it is smaller than the sum of its proper divisors (74973888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42070704 is a wasteful number, since it uses less digits than its factorization.

42070704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67445 (or 67439 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 42070704 is about 6486.1933366189. The cubic root of 42070704 is about 347.7976098896.

Adding to 42070704 its reverse (40707024), we get a palindrome (82777728).

The spelling of 42070704 in words is "forty-two million, seventy thousand, seven hundred four".