72088840207 has 4 divisors (see below), whose sum is σ = 73076358640. Its totient is φ = 71101321776.

The previous prime is 72088840199. The next prime is 72088840247. The reversal of 72088840207 is 70204888027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70204888027 = 8369 ⋅8388683.

It is a cyclic number.

It is not a de Polignac number, because 72088840207 - 2³ = 72088840199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72088840247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493759107 + ... + 493759252.

It is an arithmetic number, because the mean of its divisors is an integer number (18269089660).

Almost surely, 2^72088840207 is an apocalyptic number.

72088840207 is a deficient number, since it is larger than the sum of its proper divisors (987518433).

72088840207 is an equidigital number, since it uses as much as digits as its factorization.

72088840207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987518432.

The product of its (nonzero) digits is 401408, while the sum is 46.

The spelling of 72088840207 in words is "seventy-two billion, eighty-eight million, eight hundred forty thousand, two hundred seven".