673138496 has 14 divisors (see below), whose sum is σ = 1335759330. Its totient is φ = 336569216.

The previous prime is 673138463. The next prime is 673138507. The reversal of 673138496 is 694831376.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 672676096 + 462400 = 25936^2 + 680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 673138496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258831 + ... + 5258958.

Almost surely, 2^673138496 is an apocalyptic number.

It is an amenable number.

673138496 is a deficient number, since it is larger than the sum of its proper divisors (662620834).

673138496 is a wasteful number, since it uses less digits than its factorization.

673138496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10517801 (or 10517791 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 673138496 is about 25944.9127190669. The cubic root of 673138496 is about 876.3981982046.

The spelling of 673138496 in words is "six hundred seventy-three million, one hundred thirty-eight thousand, four hundred ninety-six".