7450740 has 144 divisors (see below), whose sum is σ = 25474176. Its totient is φ = 1747200.

The previous prime is 7450721. The next prime is 7450747. The reversal of 7450740 is 470547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7450747) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 104905 + ... + 104975.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

Almost surely, 2^7450740 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 7450740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12737088).

7450740 is an abundant number, since it is smaller than the sum of its proper divisors (18023436).

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

7450740 is a wasteful number, since it uses less digits than its factorization.

7450740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7450740 is about 2729.6043669367. The cubic root of 7450740 is about 195.3138928754.

It can be divided in two parts, 74507 and 40, that added together give a palindrome (74547).

The spelling of 7450740 in words is "seven million, four hundred fifty thousand, seven hundred forty".