6740437 has 8 divisors (see below), whose sum is σ = 7427232. Its totient is φ = 6066000.

The previous prime is 6740429. The next prime is 6740443. The reversal of 6740437 is 7340476.

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 6740437 - 2³ = 6740429 is a prime.

It is a Duffinian number.

6740437 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6740399 and 6740408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740407) 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, 1923 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (928404).

Almost surely, 2^6740437 is an apocalyptic number.

It is an amenable number.

6740437 is a deficient number, since it is larger than the sum of its proper divisors (686795).

6740437 is a wasteful number, since it uses less digits than its factorization.

6740437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 6740437 is about 2596.2351588406. The cubic root of 6740437 is about 188.8988662294.

It can be divided in two parts, 67 and 40437, that added together give a palindrome (40504).

The spelling of 6740437 in words is "six million, seven hundred forty thousand, four hundred thirty-seven".