810300073 has 32 divisors (see below), whose sum is σ = 923150592. Its totient is φ = 705024000.

The previous prime is 810300047. The next prime is 810300089. The reversal of 810300073 is 370003018.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810300073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810300473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7866940 + ... + 7867042.

It is an arithmetic number, because the mean of its divisors is an integer number (28848456).

Almost surely, 2^810300073 is an apocalyptic number.

It is an amenable number.

810300073 is a deficient number, since it is larger than the sum of its proper divisors (112850519).

810300073 is a wasteful number, since it uses less digits than its factorization.

810300073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 810300073 is about 28465.7701986087. The cubic root of 810300073 is about 932.2848482633.

The spelling of 810300073 in words is "eight hundred ten million, three hundred thousand, seventy-three".