673553576 has 16 divisors (see below), whose sum is σ = 1293716340. Its totient is φ = 328562560.

The previous prime is 673553561. The next prime is 673553579. The reversal of 673553576 is 675355376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 516652900 + 156900676 = 22730^2 + 12526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 673553576.

It is not an unprimeable number, because it can be changed into a prime (673553579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026431 + ... + 1027086.

Almost surely, 2^673553576 is an apocalyptic number.

It is an amenable number.

673553576 is a deficient number, since it is larger than the sum of its proper divisors (620162764).

673553576 is a wasteful number, since it uses less digits than its factorization.

673553576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053564 (or 2053560 counting only the distinct ones).

The product of its digits is 1984500, while the sum is 47.

The square root of 673553576 is about 25952.9107423426. The cubic root of 673553576 is about 876.5783001301.

The spelling of 673553576 in words is "six hundred seventy-three million, five hundred fifty-three thousand, five hundred seventy-six".