7850920 has 64 divisors (see below), whose sum is σ = 22032000. Its totient is φ = 2446080.

The previous prime is 7850917. The next prime is 7850929. The reversal of 7850920 is 290587.

It is not an unprimeable number, because it can be changed into a prime (7850929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1806 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (344250).

Almost surely, 2^7850920 is an apocalyptic number.

7850920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7850920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11016000).

7850920 is an abundant number, since it is smaller than the sum of its proper divisors (14181080).

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

7850920 is a wasteful number, since it uses less digits than its factorization.

7850920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 7850920 is about 2801.9493214546. The cubic root of 7850920 is about 198.7498688078.

The spelling of 7850920 in words is "seven million, eight hundred fifty thousand, nine hundred twenty".