7443641 has 4 divisors (see below), whose sum is σ = 7456512. Its totient is φ = 7430772.

The previous prime is 7443629. The next prime is 7443643. The reversal of 7443641 is 1463447.

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 a cyclic number.

It is not a de Polignac number, because 7443641 - 2⁶ = 7443577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7443643) 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, 5525 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (1864128).

Almost surely, 2^7443641 is an apocalyptic number.

It is an amenable number.

7443641 is a deficient number, since it is larger than the sum of its proper divisors (12871).

7443641 is a wasteful number, since it uses less digits than its factorization.

7443641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870.

The product of its digits is 8064, while the sum is 29.

The square root of 7443641 is about 2728.3036854427. The cubic root of 7443641 is about 195.2518420403.

The spelling of 7443641 in words is "seven million, four hundred forty-three thousand, six hundred forty-one".