8640373 has 8 divisors (see below), whose sum is σ = 10042560. Its totient is φ = 7280160.

The previous prime is 8640349. The next prime is 8640391. The reversal of 8640373 is 3730468.

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

It is a cyclic number.

It is not a de Polignac number, because 8640373 - 2¹⁷ = 8509301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8610373) 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, 10048 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (1255320).

Almost surely, 2^8640373 is an apocalyptic number.

It is an amenable number.

8640373 is a deficient number, since it is larger than the sum of its proper divisors (1402187).

8640373 is a wasteful number, since it uses less digits than its factorization.

8640373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 8640373 is about 2939.4511392435. The cubic root of 8640373 is about 205.2000664338.

The spelling of 8640373 in words is "eight million, six hundred forty thousand, three hundred seventy-three".