42344530 has 8 divisors (see below), whose sum is σ = 76220172. Its totient is φ = 16937808.

The previous prime is 42344527. The next prime is 42344537. The reversal of 42344530 is 3544324.

It can be written as a sum of positive squares in 2 ways, for example, as 42341049 + 3481 = 6507^2 + 59^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42344495 and 42344504.

It is not an unprimeable number, because it can be changed into a prime (42344537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117217 + ... + 2117236.

Almost surely, 2^42344530 is an apocalyptic number.

42344530 is a deficient number, since it is larger than the sum of its proper divisors (33875642).

42344530 is a wasteful number, since it uses less digits than its factorization.

42344530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234460.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 42344530 is about 6507.2674756767. The cubic root of 42344530 is about 348.5505499166.

Adding to 42344530 its reverse (3544324), we get a palindrome (45888854).

The spelling of 42344530 in words is "forty-two million, three hundred forty-four thousand, five hundred thirty".