673105137 has 16 divisors (see below), whose sum is σ = 906528000. Its totient is φ = 444228624.

The previous prime is 673105087. The next prime is 673105151. The reversal of 673105137 is 731501376.

It is not a de Polignac number, because 673105137 - 2²³ = 664716529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673105098 and 673105107.

It is not an unprimeable number, because it can be changed into a prime (673105637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155914 + ... + 160172.

It is an arithmetic number, because the mean of its divisors is an integer number (56658000).

Almost surely, 2^673105137 is an apocalyptic number.

It is an amenable number.

673105137 is a deficient number, since it is larger than the sum of its proper divisors (233422863).

673105137 is a wasteful number, since it uses less digits than its factorization.

673105137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 673105137 is about 25944.2698297717. The cubic root of 673105137 is about 876.3837206240.

The spelling of 673105137 in words is "six hundred seventy-three million, one hundred five thousand, one hundred thirty-seven".