8708740 has 12 divisors (see below), whose sum is σ = 18288396. Its totient is φ = 3483488.

The previous prime is 8708731. The next prime is 8708741. The reversal of 8708740 is 478078.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 2114116 = 2568^2 + 1454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8708696 and 8708705.

It is not an unprimeable number, because it can be changed into a prime (8708741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217699 + ... + 217738.

It is an arithmetic number, because the mean of its divisors is an integer number (1524033).

Almost surely, 2^8708740 is an apocalyptic number.

It is an amenable number.

8708740 is an abundant number, since it is smaller than the sum of its proper divisors (9579656).

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

8708740 is a wasteful number, since it uses less digits than its factorization.

8708740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435446 (or 435444 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 8708740 is about 2951.0574375976. The cubic root of 8708740 is about 205.7398607790.

It can be divided in two parts, 87087 and 40, that multiplied together give a triangular number (3483480 = T₂₆₃₉).

The spelling of 8708740 in words is "eight million, seven hundred eight thousand, seven hundred forty".