673506412 has 24 divisors (see below), whose sum is σ = 1211668304. Its totient is φ = 327333312.

The previous prime is 673506409. The next prime is 673506413. The reversal of 673506412 is 214605376.

It is a happy number.

It is a super-2 number, since 2×673506412² = 907221774010227488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673506413) 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, 239398 + ... + 242194.

Almost surely, 2^673506412 is an apocalyptic number.

It is an amenable number.

673506412 is a deficient number, since it is larger than the sum of its proper divisors (538161892).

673506412 is a wasteful number, since it uses less digits than its factorization.

673506412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 673506412 is about 25952.0020807644. The cubic root of 673506412 is about 876.5578395434.

The spelling of 673506412 in words is "six hundred seventy-three million, five hundred six thousand, four hundred twelve".