42320704 has 56 divisors (see below), whose sum is σ = 88075008. Its totient is φ = 20152320.

The previous prime is 42320699. The next prime is 42320737. The reversal of 42320704 is 40702324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164544 + ... + 164800.

It is an arithmetic number, because the mean of its divisors is an integer number (1572768).

Almost surely, 2^42320704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42320704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44037504).

42320704 is an abundant number, since it is smaller than the sum of its proper divisors (45754304).

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

42320704 is a wasteful number, since it uses less digits than its factorization.

42320704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42320704 is about 6505.4364957319. The cubic root of 42320704 is about 348.4851646632.

The spelling of 42320704 in words is "forty-two million, three hundred twenty thousand, seven hundred four".