8453718 has 72 divisors (see below), whose sum is σ = 22724208. Its totient is φ = 2223936.

The previous prime is 8453717. The next prime is 8453729. The reversal of 8453718 is 8173548.

8453718 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8453717) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21096 + ... + 21492.

It is an arithmetic number, because the mean of its divisors is an integer number (315614).

Almost surely, 2^8453718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8453718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11362104).

8453718 is an abundant number, since it is smaller than the sum of its proper divisors (14270490).

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

8453718 is a wasteful number, since it uses less digits than its factorization.

8453718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 422 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 8453718 is about 2907.5278158601. The cubic root of 8453718 is about 203.7116745760.

The spelling of 8453718 in words is "eight million, four hundred fifty-three thousand, seven hundred eighteen".