673428488 has 32 divisors (see below), whose sum is σ = 1307842200. Its totient is φ = 324699648.

The previous prime is 673428479. The next prime is 673428491. The reversal of 673428488 is 884824376.

It can be written as a sum of positive squares in 4 ways, for example, as 201583204 + 471845284 = 14198^2 + 21722^2 .

It is a super-2 number, since 2×673428488² = 907011856899932288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280220 + ... + 282612.

Almost surely, 2^673428488 is an apocalyptic number.

It is an amenable number.

673428488 is a deficient number, since it is larger than the sum of its proper divisors (634413712).

673428488 is a wasteful number, since it uses less digits than its factorization.

673428488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3637 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 673428488 is about 25950.5007273463. The cubic root of 673428488 is about 876.5240326257.

The spelling of 673428488 in words is "six hundred seventy-three million, four hundred twenty-eight thousand, four hundred eighty-eight".