8072066 has 4 divisors (see below), whose sum is σ = 12108102. Its totient is φ = 4036032.

The previous prime is 8072041. The next prime is 8072087. The reversal of 8072066 is 6602708.

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

It can be written as a sum of positive squares in only one way, i.e., 4289041 + 3783025 = 2071^2 + 1945^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2018015 + ... + 2018018.

Almost surely, 2^8072066 is an apocalyptic number.

8072066 is a deficient number, since it is larger than the sum of its proper divisors (4036036).

8072066 is a wasteful number, since it uses less digits than its factorization.

8072066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036035.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 8072066 is about 2841.1381522200. The cubic root of 8072066 is about 200.5987556694.

The spelling of 8072066 in words is "eight million, seventy-two thousand, sixty-six".