7636641 has 8 divisors (see below), whose sum is σ = 10221120. Its totient is φ = 5071632.

The previous prime is 7636627. The next prime is 7636661. The reversal of 7636641 is 1466367.

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

It is not a de Polignac number, because 7636641 - 2¹¹ = 7634593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7636661) 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, 3925 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^7636641 is an apocalyptic number.

It is an amenable number.

7636641 is a deficient number, since it is larger than the sum of its proper divisors (2584479).

7636641 is a wasteful number, since it uses less digits than its factorization.

7636641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735.

The product of its digits is 18144, while the sum is 33.

The square root of 7636641 is about 2763.4473036409. The cubic root of 7636641 is about 196.9249716435.

The spelling of 7636641 in words is "seven million, six hundred thirty-six thousand, six hundred forty-one".