673298136 has 256 divisors, whose sum is σ = 2350080000. Its totient is φ = 174151296.

The previous prime is 673298057. The next prime is 673298177. The reversal of 673298136 is 631892376.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 673298091 and 673298100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 660235 + ... + 661253.

It is an arithmetic number, because the mean of its divisors is an integer number (9180000).

Almost surely, 2^673298136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673298136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175040000).

673298136 is an abundant number, since it is smaller than the sum of its proper divisors (1676781864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673298136 is a wasteful number, since it uses less digits than its factorization.

673298136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1073 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 673298136 is about 25947.9890550308. The cubic root of 673298136 is about 876.4674742652.

The spelling of 673298136 in words is "six hundred seventy-three million, two hundred ninety-eight thousand, one hundred thirty-six".