207670028 has 12 divisors (see below), whose sum is σ = 384800472. Its totient is φ = 97727040.

The previous prime is 207670009. The next prime is 207670033. The reversal of 207670028 is 820076702.

It is a junction number, because it is equal to n+sod(n) for n = 207669976 and 207670003.

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, 1526918 + ... + 1527053.

It is an arithmetic number, because the mean of its divisors is an integer number (32066706).

Almost surely, 2^207670028 is an apocalyptic number.

It is an amenable number.

207670028 is a deficient number, since it is larger than the sum of its proper divisors (177130444).

207670028 is a wasteful number, since it uses less digits than its factorization.

207670028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053992 (or 3053990 counting only the distinct ones).

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

The square root of 207670028 is about 14410.7608404275. The cubic root of 207670028 is about 592.1857335105.

The spelling of 207670028 in words is "two hundred seven million, six hundred seventy thousand, twenty-eight".