8172042 has 32 divisors (see below), whose sum is σ = 16974144. Its totient is φ = 2620800.

The previous prime is 8172037. The next prime is 8172049. The reversal of 8172042 is 2402718.

It is not an unprimeable number, because it can be changed into a prime (8172049) 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 15 ways as a sum of consecutive naturals, for example, 28942 + ... + 29222.

It is an arithmetic number, because the mean of its divisors is an integer number (530442).

Almost surely, 2^8172042 is an apocalyptic number.

8172042 is an abundant number, since it is smaller than the sum of its proper divisors (8802102).

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

8172042 is a wasteful number, since it uses less digits than its factorization.

8172042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 8172042 is about 2858.6783659586. The cubic root of 8172042 is about 201.4235271467.

The spelling of 8172042 in words is "eight million, one hundred seventy-two thousand, forty-two".