673146444 has 24 divisors (see below), whose sum is σ = 1573305328. Its totient is φ = 224006400.

The previous prime is 673146443. The next prime is 673146473. The reversal of 673146444 is 444641376.

It is a super-2 number, since 2×673146444² = 906252270139690272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) 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 (673146443) 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, 39457 + ... + 53880.

Almost surely, 2^673146444 is an apocalyptic number.

It is an amenable number.

673146444 is an abundant number, since it is smaller than the sum of its proper divisors (900158884).

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

673146444 is a wasteful number, since it uses less digits than its factorization.

673146444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93945 (or 93943 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 673146444 is about 25945.0658892977. The cubic root of 673146444 is about 876.4016475124.

The spelling of 673146444 in words is "six hundred seventy-three million, one hundred forty-six thousand, four hundred forty-four".