7484940 has 96 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 1960128.

The previous prime is 7484933. The next prime is 7484941. The reversal of 7484940 is 494847.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7484895 and 7484904.

It is not an unprimeable number, because it can be changed into a prime (7484941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44737 + ... + 44903.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

Almost surely, 2^7484940 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 7484940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854080).

7484940 is an abundant number, since it is smaller than the sum of its proper divisors (16223220).

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

7484940 is a wasteful number, since it uses less digits than its factorization.

7484940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 7484940 is about 2735.8618386169. The cubic root of 7484940 is about 195.6122766957.

The spelling of 7484940 in words is "seven million, four hundred eighty-four thousand, nine hundred forty".