6738641 has 8 divisors (see below), whose sum is σ = 8293824. Its totient is φ = 5331600.

The previous prime is 6738631. The next prime is 6738649. The reversal of 6738641 is 1468376.

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 6738641 - 2¹⁸ = 6476497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6738649) 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, 36935 + ... + 37116.

It is an arithmetic number, because the mean of its divisors is an integer number (1036728).

Almost surely, 2^6738641 is an apocalyptic number.

It is an amenable number.

6738641 is a deficient number, since it is larger than the sum of its proper divisors (1555183).

6738641 is a wasteful number, since it uses less digits than its factorization.

6738641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74071.

The product of its digits is 24192, while the sum is 35.

The square root of 6738641 is about 2595.8892503341. The cubic root of 6738641 is about 188.8820872727.

The spelling of 6738641 in words is "six million, seven hundred thirty-eight thousand, six hundred forty-one".