672202066 has 32 divisors (see below), whose sum is σ = 1096202160. Its totient is φ = 307968000.

The previous prime is 672202039. The next prime is 672202067. The reversal of 672202066 is 660202276.

It can be written as a sum of positive squares in 8 ways, for example, as 448550041 + 223652025 = 21179^2 + 14955^2 .

It is not an unprimeable number, because it can be changed into a prime (672202067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207870 + ... + 211078.

Almost surely, 2^672202066 is an apocalyptic number.

672202066 is a deficient number, since it is larger than the sum of its proper divisors (424000094).

672202066 is a wasteful number, since it uses less digits than its factorization.

672202066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 672202066 is about 25926.8599332815. The cubic root of 672202066 is about 875.9916120281.

The spelling of 672202066 in words is "six hundred seventy-two million, two hundred two thousand, sixty-six".