42643302 has 16 divisors (see below), whose sum is σ = 91847280. Its totient is φ = 13120992.

The previous prime is 42643301. The next prime is 42643303. The reversal of 42643302 is 20334624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42643301) and next prime (42643303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42643301) 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, 273277 + ... + 273432.

It is an arithmetic number, because the mean of its divisors is an integer number (5740455).

Almost surely, 2^42643302 is an apocalyptic number.

42643302 is an abundant number, since it is smaller than the sum of its proper divisors (49203978).

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

42643302 is a wasteful number, since it uses less digits than its factorization.

42643302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546727.

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

The square root of 42643302 is about 6530.1839177775. The cubic root of 42643302 is about 349.3683901344.

Adding to 42643302 its reverse (20334624), we get a palindrome (62977926).

The spelling of 42643302 in words is "forty-two million, six hundred forty-three thousand, three hundred two".