7941240 has 192 divisors, whose sum is σ = 28828800. Its totient is φ = 1959552.

The previous prime is 7941229. The next prime is 7941247. The reversal of 7941240 is 421497.

It is a happy number.

7941240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7941247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184659 + ... + 184701.

It is an arithmetic number, because the mean of its divisors is an integer number (150150).

Almost surely, 2^7941240 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 7941240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14414400).

7941240 is an abundant number, since it is smaller than the sum of its proper divisors (20887560).

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

7941240 is a wasteful number, since it uses less digits than its factorization.

7941240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7941240 is about 2818.0205818979. The cubic root of 7941240 is about 199.5091295500.

The spelling of 7941240 in words is "seven million, nine hundred forty-one thousand, two hundred forty".