673336737 has 6 divisors (see below), whose sum is σ = 972597522. Its totient is φ = 448891152.

The previous prime is 673336723. The next prime is 673336739. The reversal of 673336737 is 737633376.

It can be written as a sum of positive squares in only one way, i.e., 645363216 + 27973521 = 25404^2 + 5289^2 .

It is not a de Polignac number, because 673336737 - 2⁴ = 673336721 is a prime.

It is a super-2 number, since 2×673336737² = 906764722787614338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673336692 and 673336701.

It is not an unprimeable number, because it can be changed into a prime (673336739) 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 5 ways as a sum of consecutive naturals, for example, 37407588 + ... + 37407605.

It is an arithmetic number, because the mean of its divisors is an integer number (162099587).

Almost surely, 2^673336737 is an apocalyptic number.

It is an amenable number.

673336737 is a deficient number, since it is larger than the sum of its proper divisors (299260785).

673336737 is a wasteful number, since it uses less digits than its factorization.

673336737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74815199 (or 74815196 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 45.

The square root of 673336737 is about 25948.7328592361. The cubic root of 673336737 is about 876.4842235935.

The spelling of 673336737 in words is "six hundred seventy-three million, three hundred thirty-six thousand, seven hundred thirty-seven".