7240747 has 4 divisors (see below), whose sum is σ = 7249176. Its totient is φ = 7232320.

The previous prime is 7240741. The next prime is 7240769. The reversal of 7240747 is 7470427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7240747 - 2¹⁹ = 6716459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7240741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (1812294).

Almost surely, 2^7240747 is an apocalyptic number.

7240747 is a deficient number, since it is larger than the sum of its proper divisors (8429).

7240747 is an equidigital number, since it uses as much as digits as its factorization.

7240747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 7240747 is about 2690.8636160162. The cubic root of 7240747 is about 193.4614585373.

The spelling of 7240747 in words is "seven million, two hundred forty thousand, seven hundred forty-seven".