6738431 has 6 divisors (see below), whose sum is σ = 7838640. Its totient is φ = 5775756.

The previous prime is 6738427. The next prime is 6738451. The reversal of 6738431 is 1348376.

It is not a de Polignac number, because 6738431 - 2² = 6738427 is a prime.

It is a super-2 number, since 2×6738431² = 90812904683522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68711 + ... + 68808.

It is an arithmetic number, because the mean of its divisors is an integer number (1306440).

Almost surely, 2^6738431 is an apocalyptic number.

6738431 is a deficient number, since it is larger than the sum of its proper divisors (1100209).

6738431 is a wasteful number, since it uses less digits than its factorization.

6738431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137533 (or 137526 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 6738431 is about 2595.8488014520. The cubic root of 6738431 is about 188.8801251733.

The spelling of 6738431 in words is "six million, seven hundred thirty-eight thousand, four hundred thirty-one".