72008701 has 2 divisors, whose sum is σ = 72008702. Its totient is φ = 72008700.

The previous prime is 72008693. The next prime is 72008759. The reversal of 72008701 is 10780027.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44235801 + 27772900 = 6651^2 + 5270^2 .

It is an emirp because it is prime and its reverse (10780027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72008701 - 2³ = 72008693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72008201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36004350 + 36004351.

It is an arithmetic number, because the mean of its divisors is an integer number (36004351).

Almost surely, 2^72008701 is an apocalyptic number.

It is an amenable number.

72008701 is a deficient number, since it is larger than the sum of its proper divisors (1).

72008701 is an equidigital number, since it uses as much as digits as its factorization.

72008701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 72008701 is about 8485.7940700915. The cubic root of 72008701 is about 416.0335220922.

Adding to 72008701 its reverse (10780027), we get a palindrome (82788728).

The spelling of 72008701 in words is "seventy-two million, eight thousand, seven hundred one".