7240331 has 8 divisors (see below), whose sum is σ = 8634624. Its totient is φ = 5936040.

The previous prime is 7240319. The next prime is 7240333. The reversal of 7240331 is 1330427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7240331 is a prime.

It is a super-2 number, since 2×7240331² = 104844785979122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7240333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22325 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (1079328).

Almost surely, 2^7240331 is an apocalyptic number.

7240331 is a deficient number, since it is larger than the sum of its proper divisors (1394293).

7240331 is a wasteful number, since it uses less digits than its factorization.

7240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45001.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7240331 is about 2690.7863163024. The cubic root of 7240331 is about 193.4577535095.

Adding to 7240331 its reverse (1330427), we get a palindrome (8570758).

The spelling of 7240331 in words is "seven million, two hundred forty thousand, three hundred thirty-one".