42340304 has 10 divisors (see below), whose sum is σ = 82034370. Its totient is φ = 21170144.

The previous prime is 42340301. The next prime is 42340339. The reversal of 42340304 is 40304324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30780304 + 11560000 = 5548^2 + 3400^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340301) by changing a digit.

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 as a sum of consecutive naturals, namely, 1323119 + ... + 1323150.

It is an arithmetic number, because the mean of its divisors is an integer number (8203437).

Almost surely, 2^42340304 is an apocalyptic number.

It is an amenable number.

42340304 is a deficient number, since it is larger than the sum of its proper divisors (39694066).

42340304 is a wasteful number, since it uses less digits than its factorization.

42340304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646277 (or 2646271 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42340304 is about 6506.9427537055. The cubic root of 42340304 is about 348.5389543722.

Adding to 42340304 its reverse (40304324), we get a palindrome (82644628).

The spelling of 42340304 in words is "forty-two million, three hundred forty thousand, three hundred four".