9815073 has 4 divisors (see below), whose sum is σ = 13086768. Its totient is φ = 6543380.

The previous prime is 9815059. The next prime is 9815093. The reversal of 9815073 is 3705189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3705189 = 3 ⋅1235063.

It is a cyclic number.

It is not a de Polignac number, because 9815073 - 2⁵ = 9815041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9815033) 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, 1635843 + ... + 1635848.

It is an arithmetic number, because the mean of its divisors is an integer number (3271692).

Almost surely, 2^9815073 is an apocalyptic number.

It is an amenable number.

9815073 is a deficient number, since it is larger than the sum of its proper divisors (3271695).

9815073 is a wasteful number, since it uses less digits than its factorization.

9815073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271694.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 9815073 is about 3132.9016901269. The cubic root of 9815073 is about 214.1071536625.

The spelling of 9815073 in words is "nine million, eight hundred fifteen thousand, seventy-three".