42970434 has 16 divisors (see below), whose sum is σ = 92551872. Its totient is φ = 13221648.

The previous prime is 42970409. The next prime is 42970453. The reversal of 42970434 is 43407924.

42970434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42970395 and 42970404.

It is an unprimeable number.

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, 275374 + ... + 275529.

It is an arithmetic number, because the mean of its divisors is an integer number (5784492).

Almost surely, 2^42970434 is an apocalyptic number.

42970434 is an abundant number, since it is smaller than the sum of its proper divisors (49581438).

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

42970434 is a wasteful number, since it uses less digits than its factorization.

42970434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550921.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 42970434 is about 6555.1837502850. The cubic root of 42970434 is about 350.2594919175.

The spelling of 42970434 in words is "forty-two million, nine hundred seventy thousand, four hundred thirty-four".