8707420 has 12 divisors (see below), whose sum is σ = 18285624. Its totient is φ = 3482960.

The previous prime is 8707393. The next prime is 8707421. The reversal of 8707420 is 247078.

8707420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8707421) 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, 217666 + ... + 217705.

It is an arithmetic number, because the mean of its divisors is an integer number (1523802).

Almost surely, 2^8707420 is an apocalyptic number.

It is an amenable number.

8707420 is an abundant number, since it is smaller than the sum of its proper divisors (9578204).

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

8707420 is a wasteful number, since it uses less digits than its factorization.

8707420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435380 (or 435378 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 8707420 is about 2950.8337804763. The cubic root of 8707420 is about 205.7294654620.

The spelling of 8707420 in words is "eight million, seven hundred seven thousand, four hundred twenty".