8780073 has 8 divisors (see below), whose sum is σ = 11871936. Its totient is φ = 5770800.

The previous prime is 8780021. The next prime is 8780081. The reversal of 8780073 is 3700878.

8780073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8780073 - 2¹⁷ = 8649001 is a prime.

8780073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8780173) 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, 20398 + ... + 20823.

It is an arithmetic number, because the mean of its divisors is an integer number (1483992).

Almost surely, 2^8780073 is an apocalyptic number.

It is an amenable number.

8780073 is a deficient number, since it is larger than the sum of its proper divisors (3091863).

8780073 is a wasteful number, since it uses less digits than its factorization.

8780073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41295.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 8780073 is about 2963.1187961336. The cubic root of 8780073 is about 206.3000701211.

The spelling of 8780073 in words is "eight million, seven hundred eighty thousand, seventy-three".