7247841 has 4 divisors (see below), whose sum is σ = 9663792. Its totient is φ = 4831892.

The previous prime is 7247839. The next prime is 7247843. The reversal of 7247841 is 1487427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7247839) and next prime (7247843).

It is a cyclic number.

It is not a de Polignac number, because 7247841 - 2¹ = 7247839 is a prime.

It is a super-3 number, since 3×7247841³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

7247841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7247843) 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, 1207971 + ... + 1207976.

It is an arithmetic number, because the mean of its divisors is an integer number (2415948).

Almost surely, 2^7247841 is an apocalyptic number.

It is an amenable number.

7247841 is a deficient number, since it is larger than the sum of its proper divisors (2415951).

7247841 is a wasteful number, since it uses less digits than its factorization.

7247841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415950.

The product of its digits is 12544, while the sum is 33.

The square root of 7247841 is about 2692.1814574802. The cubic root of 7247841 is about 193.5246181179.

The spelling of 7247841 in words is "seven million, two hundred forty-seven thousand, eight hundred forty-one".