42257034 has 48 divisors (see below), whose sum is σ = 95535648. Its totient is φ = 13486176.

The previous prime is 42257029. The next prime is 42257041. The reversal of 42257034 is 43075224.

It is a junction number, because it is equal to n+sod(n) for n = 42256989 and 42257007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44149 + ... + 45095.

It is an arithmetic number, because the mean of its divisors is an integer number (1990326).

Almost surely, 2^42257034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42257034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47767824).

42257034 is an abundant number, since it is smaller than the sum of its proper divisors (53278614).

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

42257034 is a wasteful number, since it uses less digits than its factorization.

42257034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42257034 is about 6500.5410544046. The cubic root of 42257034 is about 348.3103157540.

The spelling of 42257034 in words is "forty-two million, two hundred fifty-seven thousand, thirty-four".