72006208 has 14 divisors (see below), whose sum is σ = 142887446. Its totient is φ = 36003072.

The previous prime is 72006197. The next prime is 72006229. The reversal of 72006208 is 80260027.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 15936064 = 7488^2 + 3992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562485 + ... + 562612.

Almost surely, 2^72006208 is an apocalyptic number.

It is an amenable number.

72006208 is a deficient number, since it is larger than the sum of its proper divisors (70881238).

72006208 is a wasteful number, since it uses less digits than its factorization.

72006208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125109 (or 1125099 counting only the distinct ones).

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

The square root of 72006208 is about 8485.6471762618. The cubic root of 72006208 is about 416.0287208967.

The spelling of 72006208 in words is "seventy-two million, six thousand, two hundred eight".