673947336 has 32 divisors (see below), whose sum is σ = 1708603200. Its totient is φ = 221484480.

The previous prime is 673947331. The next prime is 673947359. The reversal of 673947336 is 633749376.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (673947331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196051 + ... + 199458.

It is an arithmetic number, because the mean of its divisors is an integer number (53393850).

Almost surely, 2^673947336 is an apocalyptic number.

It is an amenable number.

673947336 is an abundant number, since it is smaller than the sum of its proper divisors (1034655864).

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

673947336 is a wasteful number, since it uses less digits than its factorization.

673947336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395589 (or 395585 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 48.

The square root of 673947336 is about 25960.4956809380. The cubic root of 673947336 is about 876.7490829972.

The spelling of 673947336 in words is "six hundred seventy-three million, nine hundred forty-seven thousand, three hundred thirty-six".