42066326 has 4 divisors (see below), whose sum is σ = 63099492. Its totient is φ = 21033162.

The previous prime is 42066307. The next prime is 42066371. The reversal of 42066326 is 62366024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10516580 + ... + 10516583.

It is an arithmetic number, because the mean of its divisors is an integer number (15774873).

Almost surely, 2^42066326 is an apocalyptic number.

42066326 is a deficient number, since it is larger than the sum of its proper divisors (21033166).

42066326 is a wasteful number, since it uses less digits than its factorization.

42066326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033165.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 42066326 is about 6485.8558417529. The cubic root of 42066326 is about 347.7855451937.

The spelling of 42066326 in words is "forty-two million, sixty-six thousand, three hundred twenty-six".