673340740 has 24 divisors (see below), whose sum is σ = 1428019992. Its totient is φ = 266668800.

The previous prime is 673340713. The next prime is 673340747. The reversal of 673340740 is 47043376.

It can be written as a sum of positive squares in 4 ways, for example, as 179345664 + 493995076 = 13392^2 + 22226^2 .

It is a super-3 number, since 3×673340740³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673340696 and 673340705.

It is not an unprimeable number, because it can be changed into a prime (673340747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164649 + ... + 168688.

It is an arithmetic number, because the mean of its divisors is an integer number (59500833).

Almost surely, 2^673340740 is an apocalyptic number.

It is an amenable number.

673340740 is an abundant number, since it is smaller than the sum of its proper divisors (754679252).

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

673340740 is a wasteful number, since it uses less digits than its factorization.

673340740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333447 (or 333445 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 673340740 is about 25948.8099919823. The cubic root of 673340740 is about 876.4859604953.

The spelling of 673340740 in words is "six hundred seventy-three million, three hundred forty thousand, seven hundred forty".