6671737 has 4 divisors (see below), whose sum is σ = 6688080. Its totient is φ = 6655396.

The previous prime is 6671723. The next prime is 6671747. The reversal of 6671737 is 7371766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7371766 = 2 ⋅3685883.

It is a de Polignac number, because none of the positive numbers 2^k-6671737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6671696 and 6671705.

It is not an unprimeable number, because it can be changed into a prime (6671747) 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, 7543 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (1672020).

Almost surely, 2^6671737 is an apocalyptic number.

It is an amenable number.

6671737 is a deficient number, since it is larger than the sum of its proper divisors (16343).

6671737 is a wasteful number, since it uses less digits than its factorization.

6671737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342.

The product of its digits is 37044, while the sum is 37.

The square root of 6671737 is about 2582.9705766810. The cubic root of 6671737 is about 188.2549073486.

The spelling of 6671737 in words is "six million, six hundred seventy-one thousand, seven hundred thirty-seven".