810072295 has 4 divisors (see below), whose sum is σ = 972086760. Its totient is φ = 648057832.

The previous prime is 810072293. The next prime is 810072311. The reversal of 810072295 is 592270018.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 810072295 - 2¹ = 810072293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 810072295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810072293) 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, 81007225 + ... + 81007234.

It is an arithmetic number, because the mean of its divisors is an integer number (243021690).

Almost surely, 2^810072295 is an apocalyptic number.

810072295 is a deficient number, since it is larger than the sum of its proper divisors (162014465).

810072295 is a wasteful number, since it uses less digits than its factorization.

810072295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162014464.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 810072295 is about 28461.7690068625. The cubic root of 810072295 is about 932.1974839703.

The spelling of 810072295 in words is "eight hundred ten million, seventy-two thousand, two hundred ninety-five".