42794430 has 64 divisors (see below), whose sum is σ = 121443840. Its totient is φ = 9442944.

The previous prime is 42794413. The next prime is 42794431. The reversal of 42794430 is 3449724.

It is a junction number, because it is equal to n+sod(n) for n = 42794391 and 42794400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42794431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2577 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (1897560).

Almost surely, 2^42794430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42794430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60721920).

42794430 is an abundant number, since it is smaller than the sum of its proper divisors (78649410).

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

42794430 is a wasteful number, since it uses less digits than its factorization.

42794430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073.

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

The square root of 42794430 is about 6541.7451799959. The cubic root of 42794430 is about 349.7806244317.

The spelling of 42794430 in words is "forty-two million, seven hundred ninety-four thousand, four hundred thirty".