42342630 has 32 divisors (see below), whose sum is σ = 110861568. Its totient is φ = 10264800.

The previous prime is 42342617. The next prime is 42342647. The reversal of 42342630 is 3624324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42342630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63826 + ... + 64485.

It is an arithmetic number, because the mean of its divisors is an integer number (3464424).

Almost surely, 2^42342630 is an apocalyptic number.

42342630 is an abundant number, since it is smaller than the sum of its proper divisors (68518938).

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

42342630 is a wasteful number, since it uses less digits than its factorization.

42342630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128332.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42342630 is about 6507.1214834211. The cubic root of 42342630 is about 348.5453366816.

Adding to 42342630 its reverse (3624324), we get a palindrome (45966954).

The spelling of 42342630 in words is "forty-two million, three hundred forty-two thousand, six hundred thirty".