42734022 has 16 divisors (see below), whose sum is σ = 90495792. Its totient is φ = 13406720.

The previous prime is 42734017. The next prime is 42734033. The reversal of 42734022 is 22043724.

42734022 = 759² + 760² + ... + 826².

It is a junction number, because it is equal to n+sod(n) for n = 42733983 and 42734001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209379 + ... + 209582.

It is an arithmetic number, because the mean of its divisors is an integer number (5655987).

Almost surely, 2^42734022 is an apocalyptic number.

42734022 is an abundant number, since it is smaller than the sum of its proper divisors (47761770).

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

42734022 is a wasteful number, since it uses less digits than its factorization.

42734022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418983.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42734022 is about 6537.1264329214. The cubic root of 42734022 is about 349.6159651694.

Adding to 42734022 its reverse (22043724), we get a palindrome (64777746).

The spelling of 42734022 in words is "forty-two million, seven hundred thirty-four thousand, twenty-two".