42806302 has 24 divisors (see below), whose sum is σ = 81484920. Its totient is φ = 16677360.

The previous prime is 42806287. The next prime is 42806303. The reversal of 42806302 is 20360824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42806303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18777 + ... + 20932.

It is an arithmetic number, because the mean of its divisors is an integer number (3395205).

Almost surely, 2^42806302 is an apocalyptic number.

42806302 is a deficient number, since it is larger than the sum of its proper divisors (38678618).

42806302 is a wasteful number, since it uses less digits than its factorization.

42806302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39736 (or 39729 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42806302 is about 6542.6525201939. The cubic root of 42806302 is about 349.8129667375.

The spelling of 42806302 in words is "forty-two million, eight hundred six thousand, three hundred two".