7725441 has 4 divisors (see below), whose sum is σ = 10300592. Its totient is φ = 5150292.

The previous prime is 7725433. The next prime is 7725449. The reversal of 7725441 is 1445277.

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 (7725433) and next prime (7725449).

It is not a de Polignac number, because 7725441 - 2³ = 7725433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7725399 and 7725408.

It is not an unprimeable number, because it can be changed into a prime (7725449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287571 + ... + 1287576.

It is an arithmetic number, because the mean of its divisors is an integer number (2575148).

Almost surely, 2^7725441 is an apocalyptic number.

It is an amenable number.

7725441 is a deficient number, since it is larger than the sum of its proper divisors (2575151).

7725441 is a wasteful number, since it uses less digits than its factorization.

7725441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575150.

The product of its digits is 7840, while the sum is 30.

The square root of 7725441 is about 2779.4677548049. The cubic root of 7725441 is about 197.6853230311.

The spelling of 7725441 in words is "seven million, seven hundred twenty-five thousand, four hundred forty-one".