207680072 has 16 divisors (see below), whose sum is σ = 389558700. Its totient is φ = 103797760.

The previous prime is 207680017. The next prime is 207680111. The reversal of 207680072 is 270086702.

It can be written as a sum of positive squares in 2 ways, for example, as 195049156 + 12630916 = 13966^2 + 3554^2 .

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, 27704 + ... + 34392.

Almost surely, 2^207680072 is an apocalyptic number.

It is an amenable number.

207680072 is a deficient number, since it is larger than the sum of its proper divisors (181878628).

207680072 is a wasteful number, since it uses less digits than its factorization.

207680072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576 (or 10572 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 207680072 is about 14411.1093257945. The cubic root of 207680072 is about 592.1952804147.

The spelling of 207680072 in words is "two hundred seven million, six hundred eighty thousand, seventy-two".