7440361 has 4 divisors (see below), whose sum is σ = 7449300. Its totient is φ = 7431424.

The previous prime is 7440347. The next prime is 7440383. The reversal of 7440361 is 1630447.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 5494336 = 1395^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 7440361 - 2¹⁹ = 6916073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7440061) 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, 3076 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (1862325).

Almost surely, 2^7440361 is an apocalyptic number.

It is an amenable number.

7440361 is a deficient number, since it is larger than the sum of its proper divisors (8939).

7440361 is an equidigital number, since it uses as much as digits as its factorization.

7440361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7440361 is about 2727.7025131051. The cubic root of 7440361 is about 195.2231589388.

The spelling of 7440361 in words is "seven million, four hundred forty thousand, three hundred sixty-one".