6672737 has 4 divisors (see below), whose sum is σ = 6962880. Its totient is φ = 6382596.

The previous prime is 6672703. The next prime is 6672749. The reversal of 6672737 is 7372766.

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: 7372766 = 2 ⋅3686383.

It is a cyclic number.

It is not a de Polignac number, because 6672737 - 2¹⁰ = 6671713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6672737.

It is not an unprimeable number, because it can be changed into a prime (6672797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145037 + ... + 145082.

It is an arithmetic number, because the mean of its divisors is an integer number (1740720).

Almost surely, 2^6672737 is an apocalyptic number.

It is an amenable number.

6672737 is a deficient number, since it is larger than the sum of its proper divisors (290143).

6672737 is a wasteful number, since it uses less digits than its factorization.

6672737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290142.

The product of its digits is 74088, while the sum is 38.

The square root of 6672737 is about 2583.1641449974. The cubic root of 6672737 is about 188.2643124706.

The spelling of 6672737 in words is "six million, six hundred seventy-two thousand, seven hundred thirty-seven".