8725818 has 32 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 2746800.

The previous prime is 8725817. The next prime is 8725823. The reversal of 8725818 is 8185278.

It is a super-2 number, since 2×8725818² = 152279799538248, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8725813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7453 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 2^8725818 is an apocalyptic number.

8725818 is an abundant number, since it is smaller than the sum of its proper divisors (9724614).

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

8725818 is a wasteful number, since it uses less digits than its factorization.

8725818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its digits is 35840, while the sum is 39.

The square root of 8725818 is about 2953.9495594881. The cubic root of 8725818 is about 205.8742595202.

The spelling of 8725818 in words is "eight million, seven hundred twenty-five thousand, eight hundred eighteen".