673415660 has 24 divisors (see below), whose sum is σ = 1435282800. Its totient is φ = 265345344.

The previous prime is 673415599. The next prime is 673415683. The reversal of 673415660 is 66514376.

It is a happy number.

It is a super-2 number, since 2×673415660² = 906977302266471200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249935 + ... + 252614.

It is an arithmetic number, because the mean of its divisors is an integer number (59803450).

Almost surely, 2^673415660 is an apocalyptic number.

It is an amenable number.

673415660 is an abundant number, since it is smaller than the sum of its proper divisors (761867140).

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

673415660 is a wasteful number, since it uses less digits than its factorization.

673415660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502625 (or 502623 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 673415660 is about 25950.2535633084. The cubic root of 673415660 is about 876.5184670153.

The spelling of 673415660 in words is "six hundred seventy-three million, four hundred fifteen thousand, six hundred sixty".