42307032 has 16 divisors (see below), whose sum is σ = 105767640. Its totient is φ = 14102336.

The previous prime is 42307019. The next prime is 42307037. The reversal of 42307032 is 23070324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42307037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881373 + ... + 881420.

Almost surely, 2^42307032 is an apocalyptic number.

It is an amenable number.

42307032 is an abundant number, since it is smaller than the sum of its proper divisors (63460608).

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

42307032 is a wasteful number, since it uses less digits than its factorization.

42307032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762802 (or 1762798 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 42307032 is about 6504.3855974258. The cubic root of 42307032 is about 348.4476337632.

Adding to 42307032 its reverse (23070324), we get a palindrome (65377356).

The spelling of 42307032 in words is "forty-two million, three hundred seven thousand, thirty-two".