666673337 has 24 divisors (see below), whose sum is σ = 750758400. Its totient is φ = 591402240.

The previous prime is 666673297. The next prime is 666673361. The reversal of 666673337 is 733376666.

It is not a de Polignac number, because 666673337 - 2¹⁰ = 666672313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666673291 and 666673300.

It is not an unprimeable number, because it can be changed into a prime (666673937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926864 + ... + 927582.

It is an arithmetic number, because the mean of its divisors is an integer number (31281600).

Almost surely, 2^666673337 is an apocalyptic number.

It is an amenable number.

666673337 is a deficient number, since it is larger than the sum of its proper divisors (84085063).

666673337 is a wasteful number, since it uses less digits than its factorization.

666673337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 906 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 47.

The square root of 666673337 is about 25820.0181448426. The cubic root of 666673337 is about 873.5833782630.

The spelling of 666673337 in words is "six hundred sixty-six million, six hundred seventy-three thousand, three hundred thirty-seven".