42066548 has 12 divisors (see below), whose sum is σ = 73708740. Its totient is φ = 21006912.

The previous prime is 42066527. The next prime is 42066569. The reversal of 42066548 is 84566024.

It is an interprime number because it is at equal distance from previous prime (42066527) and next prime (42066569).

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 41242084 = 908^2 + 6422^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 2753 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (6142395).

Almost surely, 2^42066548 is an apocalyptic number.

It is an amenable number.

42066548 is a deficient number, since it is larger than the sum of its proper divisors (31642192).

42066548 is a wasteful number, since it uses less digits than its factorization.

42066548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13186 (or 13184 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 42066548 is about 6485.8729558942. The cubic root of 42066548 is about 347.7861569915.

The spelling of 42066548 in words is "forty-two million, sixty-six thousand, five hundred forty-eight".