17542042 has 16 divisors (see below), whose sum is σ = 31109760. Its totient is φ = 7258608.

The previous prime is 17542039. The next prime is 17542051. The reversal of 17542042 is 24024571.

It is a junction number, because it is equal to n+sod(n) for n = 17541998 and 17542016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21198 + ... + 22009.

It is an arithmetic number, because the mean of its divisors is an integer number (1944360).

Almost surely, 2^17542042 is an apocalyptic number.

17542042 is a deficient number, since it is larger than the sum of its proper divisors (13567718).

17542042 is a wasteful number, since it uses less digits than its factorization.

17542042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 17542042 is about 4188.3220984065. The cubic root of 17542042 is about 259.8324462860.

The spelling of 17542042 in words is "seventeen million, five hundred forty-two thousand, forty-two".