42207030 has 24 divisors (see below), whose sum is σ = 109738512. Its totient is φ = 11255184.

The previous prime is 42207023. The next prime is 42207041. The reversal of 42207030 is 3070224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42206994 and 42207012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234394 + ... + 234573.

It is an arithmetic number, because the mean of its divisors is an integer number (4572438).

Almost surely, 2^42207030 is an apocalyptic number.

42207030 is an abundant number, since it is smaller than the sum of its proper divisors (67531482).

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

42207030 is a wasteful number, since it uses less digits than its factorization.

42207030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468980 (or 468977 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 42207030 is about 6496.6937745287. The cubic root of 42207030 is about 348.1728728885.

Adding to 42207030 its reverse (3070224), we get a palindrome (45277254).

The spelling of 42207030 in words is "forty-two million, two hundred seven thousand, thirty".