996780073 has 4 divisors (see below), whose sum is σ = 997260688. Its totient is φ = 996299460.

The previous prime is 996780047. The next prime is 996780101. The reversal of 996780073 is 370087699.

996780073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 996780073 - 2⁵ = 996780041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 996779999 and 996780026.

It is not an unprimeable number, because it can be changed into a prime (996580073) 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, 237183 + ... + 241348.

It is an arithmetic number, because the mean of its divisors is an integer number (249315172).

Almost surely, 2^996780073 is an apocalyptic number.

It is an amenable number.

996780073 is a deficient number, since it is larger than the sum of its proper divisors (480615).

996780073 is a wasteful number, since it uses less digits than its factorization.

996780073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480614.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 996780073 is about 31571.8240366311. The cubic root of 996780073 is about 998.9255369426.

The spelling of 996780073 in words is "nine hundred ninety-six million, seven hundred eighty thousand, seventy-three".