72069208 has 32 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 35068192.

The previous prime is 72069199. The next prime is 72069209. The reversal of 72069208 is 80296027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72069209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49791 + ... + 51217.

It is an arithmetic number, because the mean of its divisors is an integer number (4337550).

Almost surely, 2^72069208 is an apocalyptic number.

It is an amenable number.

72069208 is a deficient number, since it is larger than the sum of its proper divisors (66732392).

72069208 is a wasteful number, since it uses less digits than its factorization.

72069208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72069208 is about 8489.3585152236. The cubic root of 72069208 is about 416.1500167775.

The spelling of 72069208 in words is "seventy-two million, sixty-nine thousand, two hundred eight".