607072666 has 16 divisors (see below), whose sum is σ = 920205000. Its totient is φ = 300345408.

The previous prime is 607072651. The next prime is 607072679. The reversal of 607072666 is 666270706.

It can be written as a sum of positive squares in 4 ways, for example, as 247401441 + 359671225 = 15729^2 + 18965^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219460 + ... + 222208.

Almost surely, 2^607072666 is an apocalyptic number.

607072666 is a deficient number, since it is larger than the sum of its proper divisors (313132334).

607072666 is a wasteful number, since it uses less digits than its factorization.

607072666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 607072666 is about 24638.8446563551. The cubic root of 607072666 is about 846.7337933910.

The spelling of 607072666 in words is "six hundred seven million, seventy-two thousand, six hundred sixty-six".