8723340 has 36 divisors (see below), whose sum is σ = 26461344. Its totient is φ = 2326176.

The previous prime is 8723321. The next prime is 8723347. The reversal of 8723340 is 433278.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8723347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24052 + ... + 24411.

Almost surely, 2^8723340 is an apocalyptic number.

It is an amenable number.

8723340 is an abundant number, since it is smaller than the sum of its proper divisors (17738004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8723340 is a wasteful number, since it uses less digits than its factorization.

8723340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48478 (or 48473 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 8723340 is about 2953.5300912637. The cubic root of 8723340 is about 205.8547692858.

The spelling of 8723340 in words is "eight million, seven hundred twenty-three thousand, three hundred forty".