42320604 has 24 divisors (see below), whose sum is σ = 98994448. Its totient is φ = 14071680.

The previous prime is 42320587. The next prime is 42320609. The reversal of 42320604 is 40602324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320609) 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, 864 + ... + 9240.

Almost surely, 2^42320604 is an apocalyptic number.

It is an amenable number.

42320604 is an abundant number, since it is smaller than the sum of its proper divisors (56673844).

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

42320604 is a wasteful number, since it uses less digits than its factorization.

42320604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805 (or 8803 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42320604 is about 6505.4288098480. The cubic root of 42320604 is about 348.4848901833.

Adding to 42320604 its reverse (40602324), we get a palindrome (82922928).

It can be divided in two parts, 42320 and 604, that added together give a palindrome (42924).

The spelling of 42320604 in words is "forty-two million, three hundred twenty thousand, six hundred four".