It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 23742166 is an apocalyptic number.
3742166 is a wasteful number, since it uses less digits than its factorization.
3742166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1871085.
The square root of 3742166 is about 1934.4678854920. The cubic root of 3742166 is about 155.2533629427.
The spelling of 3742166 in words is "three million, seven hundred forty-two thousand, one hundred sixty-six".