7240771 has 4 divisors (see below), whose sum is σ = 7247632. Its totient is φ = 7233912.

The previous prime is 7240769. The next prime is 7240787. The reversal of 7240771 is 1770427.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7240771 - 2¹ = 7240769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7240721) 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 3 ways as a sum of consecutive naturals, for example, 1476 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (1811908).

Almost surely, 2^7240771 is an apocalyptic number.

7240771 is a deficient number, since it is larger than the sum of its proper divisors (6861).

7240771 is a wasteful number, since it uses less digits than its factorization.

7240771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 7240771 is about 2690.8680755474. The cubic root of 7240771 is about 193.4616722846.

The spelling of 7240771 in words is "seven million, two hundred forty thousand, seven hundred seventy-one".