208132072 has 32 divisors (see below), whose sum is σ = 413569800. Its totient is φ = 98022400.

The previous prime is 208132051. The next prime is 208132087. The reversal of 208132072 is 270231802.

It can be written as a sum of positive squares in 4 ways, for example, as 58461316 + 149670756 = 7646^2 + 12234^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 20452.

Almost surely, 2^208132072 is an apocalyptic number.

It is an amenable number.

208132072 is a deficient number, since it is larger than the sum of its proper divisors (205437728).

208132072 is a wasteful number, since it uses less digits than its factorization.

208132072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21957 (or 21953 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 208132072 is about 14426.7831480202. The cubic root of 208132072 is about 592.6245918859.

Adding to 208132072 its reverse (270231802), we get a palindrome (478363874).

The spelling of 208132072 in words is "two hundred eight million, one hundred thirty-two thousand, seventy-two".