42167430 has 24 divisors (see below), whose sum is σ = 109635552. Its totient is φ = 11244624.

The previous prime is 42167417. The next prime is 42167431. The reversal of 42167430 is 3476124.

It is a junction number, because it is equal to n+sod(n) for n = 42167394 and 42167403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42167431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234174 + ... + 234353.

It is an arithmetic number, because the mean of its divisors is an integer number (4568148).

Almost surely, 2^42167430 is an apocalyptic number.

42167430 is an abundant number, since it is smaller than the sum of its proper divisors (67468122).

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

42167430 is a wasteful number, since it uses less digits than its factorization.

42167430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468540 (or 468537 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42167430 is about 6493.6453552685. The cubic root of 42167430 is about 348.0639498013.

The spelling of 42167430 in words is "forty-two million, one hundred sixty-seven thousand, four hundred thirty".