42263172 has 36 divisors (see below), whose sum is σ = 122094336. Its totient is φ = 12075120.

The previous prime is 42263159. The next prime is 42263189. The reversal of 42263172 is 27136224.

42263172 is a `hidden beast` number, since 4 + 22 + 631 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

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, 83604 + ... + 84107.

Almost surely, 2^42263172 is an apocalyptic number.

42263172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42263172 is an abundant number, since it is smaller than the sum of its proper divisors (79831164).

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

42263172 is a wasteful number, since it uses less digits than its factorization.

42263172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167728 (or 167723 counting only the distinct ones).

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

The square root of 42263172 is about 6501.0131518095. The cubic root of 42263172 is about 348.3271794176.

Adding to 42263172 its reverse (27136224), we get a palindrome (69399396).

The spelling of 42263172 in words is "forty-two million, two hundred sixty-three thousand, one hundred seventy-two".