39072266 has 4 divisors (see below), whose sum is σ = 58608402. Its totient is φ = 19536132.

The previous prime is 39072217. The next prime is 39072283. The reversal of 39072266 is 66227093.

It is a happy number.

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., 20967241 + 18105025 = 4579^2 + 4255^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9768065 + ... + 9768068.

Almost surely, 2^39072266 is an apocalyptic number.

39072266 is a deficient number, since it is larger than the sum of its proper divisors (19536136).

39072266 is a wasteful number, since it uses less digits than its factorization.

39072266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19536135.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 39072266 is about 6250.7812311742. The cubic root of 39072266 is about 339.3304759875.

The spelling of 39072266 in words is "thirty-nine million, seventy-two thousand, two hundred sixty-six".