1673799647 has 12 divisors (see below), whose sum is σ = 1862589960. Its totient is φ = 1495194480.

The previous prime is 1673799637. The next prime is 1673799649. The reversal of 1673799647 is 7469973761.

It is not a de Polignac number, because 1673799647 - 2¹² = 1673795551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673799649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54497 + ... + 79482.

It is an arithmetic number, because the mean of its divisors is an integer number (155215830).

Almost surely, 2^1673799647 is an apocalyptic number.

1673799647 is a deficient number, since it is larger than the sum of its proper divisors (188790313).

1673799647 is a wasteful number, since it uses less digits than its factorization.

1673799647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134054 (or 134023 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 59.

The square root of 1673799647 is about 40912.0965852399. The cubic root of 1673799647 is about 1187.3201109151.

The spelling of 1673799647 in words is "one billion, six hundred seventy-three million, seven hundred ninety-nine thousand, six hundred forty-seven".