42430068 has 30 divisors (see below), whose sum is σ = 110921426. Its totient is φ = 14143248.

The previous prime is 42430067. The next prime is 42430109. The reversal of 42430068 is 86003424.

It can be written as a sum of positive squares in only one way, i.e., 28005264 + 14424804 = 5292^2 + 3798^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430061) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 65155 + ... + 65802.

Almost surely, 2^42430068 is an apocalyptic number.

It is an amenable number.

42430068 is an abundant number, since it is smaller than the sum of its proper divisors (68491358).

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

42430068 is a wasteful number, since it uses less digits than its factorization.

42430068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130973 (or 130962 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42430068 is about 6513.8366574547. The cubic root of 42430068 is about 348.7850883877.

The spelling of 42430068 in words is "forty-two million, four hundred thirty thousand, sixty-eight".