42530704 has 40 divisors (see below), whose sum is σ = 86512320. Its totient is φ = 20227200.

The previous prime is 42530701. The next prime is 42530707. The reversal of 42530704 is 40703524.

It is an interprime number because it is at equal distance from previous prime (42530701) and next prime (42530707).

It is not an unprimeable number, because it can be changed into a prime (42530701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32299 + ... + 33589.

It is an arithmetic number, because the mean of its divisors is an integer number (2162808).

Almost surely, 2^42530704 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 42530704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43256160).

42530704 is an abundant number, since it is smaller than the sum of its proper divisors (43981616).

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

42530704 is a wasteful number, since it uses less digits than its factorization.

42530704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42530704 is about 6521.5568693373. The cubic root of 42530704 is about 349.0606211556.

It can be divided in two parts, 42530 and 704, that added together give a palindrome (43234).

The spelling of 42530704 in words is "forty-two million, five hundred thirty thousand, seven hundred four".