7240780 has 24 divisors (see below), whose sum is σ = 15272208. Its totient is φ = 2883648.

The previous prime is 7240769. The next prime is 7240787. The reversal of 7240780 is 870427.

It is not an unprimeable number, because it can be changed into a prime (7240787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4887 + ... + 6193.

It is an arithmetic number, because the mean of its divisors is an integer number (636342).

Almost surely, 2^7240780 is an apocalyptic number.

It is an amenable number.

7240780 is an abundant number, since it is smaller than the sum of its proper divisors (8031428).

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

7240780 is a wasteful number, since it uses less digits than its factorization.

7240780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7240780 is about 2690.8697478696. The cubic root of 7240780 is about 193.4617524397.

The spelling of 7240780 in words is "seven million, two hundred forty thousand, seven hundred eighty".