1673349657 has 24 divisors (see below), whose sum is σ = 2606313600. Its totient is φ = 952178976.

The previous prime is 1673349653. The next prime is 1673349673. The reversal of 1673349657 is 7569433761.

It is not a de Polignac number, because 1673349657 - 2² = 1673349653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1673349653) 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, 11319 + ... + 58947.

It is an arithmetic number, because the mean of its divisors is an integer number (108596400).

Almost surely, 2^1673349657 is an apocalyptic number.

It is an amenable number.

1673349657 is a deficient number, since it is larger than the sum of its proper divisors (932963943).

1673349657 is a wasteful number, since it uses less digits than its factorization.

1673349657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47885 (or 47878 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 51.

The square root of 1673349657 is about 40906.5967418459. The cubic root of 1673349657 is about 1187.2137003173.

The spelling of 1673349657 in words is "one billion, six hundred seventy-three million, three hundred forty-nine thousand, six hundred fifty-seven".