7241861 has 4 divisors (see below), whose sum is σ = 7900224. Its totient is φ = 6583500.

The previous prime is 7241797. The next prime is 7241891. The reversal of 7241861 is 1681427.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1681427 = 11 ⋅152857.

It is not a de Polignac number, because 7241861 - 2⁶ = 7241797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7241891) 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, 329165 + ... + 329186.

It is an arithmetic number, because the mean of its divisors is an integer number (1975056).

Almost surely, 2^7241861 is an apocalyptic number.

It is an amenable number.

7241861 is a deficient number, since it is larger than the sum of its proper divisors (658363).

7241861 is a wasteful number, since it uses less digits than its factorization.

7241861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658362.

The product of its digits is 2688, while the sum is 29.

The square root of 7241861 is about 2691.0706047965. The cubic root of 7241861 is about 193.4713794756.

The spelling of 7241861 in words is "seven million, two hundred forty-one thousand, eight hundred sixty-one".