673700740 has 24 divisors (see below), whose sum is σ = 1463558040. Its totient is φ = 260187648.

The previous prime is 673700723. The next prime is 673700743. The reversal of 673700740 is 47007376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6718464 + 666982276 = 2592^2 + 25826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 673700696 and 673700705.

It is not an unprimeable number, because it can be changed into a prime (673700743) 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, 580197 + ... + 581356.

It is an arithmetic number, because the mean of its divisors is an integer number (60981585).

Almost surely, 2^673700740 is an apocalyptic number.

It is an amenable number.

673700740 is an abundant number, since it is smaller than the sum of its proper divisors (789857300).

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

673700740 is a wasteful number, since it uses less digits than its factorization.

673700740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161591 (or 1161589 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 673700740 is about 25955.7457993408. The cubic root of 673700740 is about 876.6421363660.

The spelling of 673700740 in words is "six hundred seventy-three million, seven hundred thousand, seven hundred forty".