810072296 has 32 divisors (see below), whose sum is σ = 1744178400. Its totient is φ = 348834240.

The previous prime is 810072293. The next prime is 810072311. The reversal of 810072296 is 692270018.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 240575 + ... + 243918.

It is an arithmetic number, because the mean of its divisors is an integer number (54505575).

Almost surely, 2^810072296 is an apocalyptic number.

It is an amenable number.

810072296 is an abundant number, since it is smaller than the sum of its proper divisors (934106104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

810072296 is a wasteful number, since it uses less digits than its factorization.

810072296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484529 (or 484525 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 810072296 is about 28461.7690244299. The cubic root of 810072296 is about 932.1974843538.

The spelling of 810072296 in words is "eight hundred ten million, seventy-two thousand, two hundred ninety-six".