8740020 has 48 divisors (see below), whose sum is σ = 25320960. Its totient is φ = 2249856.

The previous prime is 8740003. The next prime is 8740037. The reversal of 8740020 is 200478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8740003) and next prime (8740037).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (527520).

Almost surely, 2^8740020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8740020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12660480).

8740020 is an abundant number, since it is smaller than the sum of its proper divisors (16580940).

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

8740020 is a wasteful number, since it uses less digits than its factorization.

8740020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8740020 is about 2956.3524823674. The cubic root of 8740020 is about 205.9858915150.

Adding to 8740020 its reverse (200478), we get a palindrome (8940498).

The spelling of 8740020 in words is "eight million, seven hundred forty thousand, twenty".