8725278 has 16 divisors (see below), whose sum is σ = 17490960. Its totient is φ = 2901696.

The previous prime is 8725253. The next prime is 8725279.

8725278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8725278² = 152260952354568, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725279) 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, 1626 + ... + 4482.

It is an arithmetic number, because the mean of its divisors is an integer number (1093185).

Almost surely, 2^8725278 is an apocalyptic number.

8725278 is an abundant number, since it is smaller than the sum of its proper divisors (8765682).

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

8725278 is a wasteful number, since it uses less digits than its factorization.

8725278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371.

The product of its digits is 62720, while the sum is 39.

The square root of 8725278 is about 2953.8581550237. The cubic root of 8725278 is about 205.8700125681.

The spelling of 8725278 in words is "eight million, seven hundred twenty-five thousand, two hundred seventy-eight".