7240940 has 24 divisors (see below), whose sum is σ = 17378592. Its totient is φ = 2482560.

The previous prime is 7240921. The next prime is 7240973. The reversal of 7240940 is 490427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25721 + ... + 26000.

It is an arithmetic number, because the mean of its divisors is an integer number (724108).

Almost surely, 2^7240940 is an apocalyptic number.

7240940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7240940 is an abundant number, since it is smaller than the sum of its proper divisors (10137652).

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

7240940 is a wasteful number, since it uses less digits than its factorization.

7240940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51737 (or 51735 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7240940 is about 2690.8994778698. The cubic root of 7240940 is about 193.4631774083.

The spelling of 7240940 in words is "seven million, two hundred forty thousand, nine hundred forty".