42357030 has 96 divisors (see below), whose sum is σ = 113236704. Its totient is φ = 10103808.

The previous prime is 42357019. The next prime is 42357031. The reversal of 42357030 is 3075324.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42357031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269712 + ... + 269868.

It is an arithmetic number, because the mean of its divisors is an integer number (1179549).

Almost surely, 2^42357030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42357030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56618352).

42357030 is an abundant number, since it is smaller than the sum of its proper divisors (70879674).

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

42357030 is a wasteful number, since it uses less digits than its factorization.

42357030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 42357030 is about 6508.2278693973. The cubic root of 42357030 is about 348.5848436276.

The spelling of 42357030 in words is "forty-two million, three hundred fifty-seven thousand, thirty".