72010807 has 4 divisors (see below), whose sum is σ = 78557256. Its totient is φ = 65464360.

The previous prime is 72010781. The next prime is 72010811. The reversal of 72010807 is 70801027.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70801027 = 11 ⋅6436457.

It is a cyclic number.

It is not a de Polignac number, because 72010807 - 2¹¹ = 72008759 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 (72010837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273208 + ... + 3273229.

It is an arithmetic number, because the mean of its divisors is an integer number (19639314).

Almost surely, 2^72010807 is an apocalyptic number.

72010807 is a deficient number, since it is larger than the sum of its proper divisors (6546449).

72010807 is a wasteful number, since it uses less digits than its factorization.

72010807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546448.

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

The square root of 72010807 is about 8485.9181589266. The cubic root of 72010807 is about 416.0375778893.

The spelling of 72010807 in words is "seventy-two million, ten thousand, eight hundred seven".