42704830 has 32 divisors (see below), whose sum is σ = 88717824. Its totient is φ = 14497056.

The previous prime is 42704801. The next prime is 42704843. The reversal of 42704830 is 3840724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (2772432).

Almost surely, 2^42704830 is an apocalyptic number.

42704830 is an abundant number, since it is smaller than the sum of its proper divisors (46012994).

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

42704830 is a wasteful number, since it uses less digits than its factorization.

42704830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42704830 is about 6534.8932661521. The cubic root of 42704830 is about 349.5363384177.

It can be divided in two parts, 42704 and 830, that added together give a palindrome (43534).

The spelling of 42704830 in words is "forty-two million, seven hundred four thousand, eight hundred thirty".