6873431 has 4 divisors (see below), whose sum is σ = 6936600. Its totient is φ = 6810264.

The previous prime is 6873407. The next prime is 6873437. The reversal of 6873431 is 1343786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1343786 = 2 ⋅671893.

It is a cyclic number.

It is not a de Polignac number, because 6873431 - 2¹⁴ = 6857047 is a prime.

It is a super-4 number, since 4×6873431⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6873437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31421 + ... + 31638.

It is an arithmetic number, because the mean of its divisors is an integer number (1734150).

Almost surely, 2^6873431 is an apocalyptic number.

6873431 is a deficient number, since it is larger than the sum of its proper divisors (63169).

6873431 is a wasteful number, since it uses less digits than its factorization.

6873431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63168.

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

The square root of 6873431 is about 2621.7229067924. The cubic root of 6873431 is about 190.1331568893.

The spelling of 6873431 in words is "six million, eight hundred seventy-three thousand, four hundred thirty-one".