7641005 has 8 divisors (see below), whose sum is σ = 9185400. Its totient is φ = 6102016.

The previous prime is 7641001. The next prime is 7641013. The reversal of 7641005 is 5001467.

It can be written as a sum of positive squares in 4 ways, for example, as 1943236 + 5697769 = 1394^2 + 2387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7641005 - 2² = 7641001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7641001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (1148175).

Almost surely, 2^7641005 is an apocalyptic number.

It is an amenable number.

7641005 is a deficient number, since it is larger than the sum of its proper divisors (1544395).

7641005 is a wasteful number, since it uses less digits than its factorization.

7641005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7641005 is about 2764.2367843584. The cubic root of 7641005 is about 196.9624757821.

The spelling of 7641005 in words is "seven million, six hundred forty-one thousand, five".