8740920 has 64 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 2228864.

The previous prime is 8740891. The next prime is 8740939. The reversal of 8740920 is 290478.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 2^8740920 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 8740920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13685760).

8740920 is an abundant number, since it is smaller than the sum of its proper divisors (18630600).

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

8740920 is a wasteful number, since it uses less digits than its factorization.

8740920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8740920 is about 2956.5046930455. The cubic root of 8740920 is about 205.9929617101.

The spelling of 8740920 in words is "eight million, seven hundred forty thousand, nine hundred twenty".