42173316 has 36 divisors (see below), whose sum is σ = 107273712. Its totient is φ = 13969584.

The previous prime is 42173309. The next prime is 42173321. The reversal of 42173316 is 61337124.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42173316.

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, 2275 + ... + 9461.

Almost surely, 2^42173316 is an apocalyptic number.

It is an amenable number.

42173316 is an abundant number, since it is smaller than the sum of its proper divisors (65100396).

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

42173316 is a wasteful number, since it uses less digits than its factorization.

42173316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360 (or 7355 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 42173316 is about 6494.0985517622. The cubic root of 42173316 is about 348.0801440464.

It can be divided in two parts, 421 and 73316, that added together give a palindrome (73737).

The spelling of 42173316 in words is "forty-two million, one hundred seventy-three thousand, three hundred sixteen".