42734032 has 20 divisors (see below), whose sum is σ = 90324576. Its totient is φ = 19424480.

The previous prime is 42734017. The next prime is 42734033. The reversal of 42734032 is 23043724.

It is a junction number, because it is equal to n+sod(n) for n = 42733988 and 42734006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42734033) 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, 121228 + ... + 121579.

Almost surely, 2^42734032 is an apocalyptic number.

It is an amenable number.

42734032 is an abundant number, since it is smaller than the sum of its proper divisors (47590544).

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

42734032 is a wasteful number, since it uses less digits than its factorization.

42734032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242826 (or 242820 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 42734032 is about 6537.1271977834. The cubic root of 42734032 is about 349.6159924401.

Adding to 42734032 its reverse (23043724), we get a palindrome (65777756).

The spelling of 42734032 in words is "forty-two million, seven hundred thirty-four thousand, thirty-two".