673445146 has 16 divisors (see below), whose sum is σ = 1110049920. Its totient is φ = 303875680.

The previous prime is 673445119. The next prime is 673445161. The reversal of 673445146 is 641544376.

It is a super-2 number, since 2×673445146² = 907056729341922632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673445099 and 673445108.

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, 108706 + ... + 114733.

It is an arithmetic number, because the mean of its divisors is an integer number (69378120).

Almost surely, 2^673445146 is an apocalyptic number.

673445146 is a deficient number, since it is larger than the sum of its proper divisors (436604774).

673445146 is a wasteful number, since it uses less digits than its factorization.

673445146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223589.

The product of its digits is 241920, while the sum is 40.

The square root of 673445146 is about 25950.8216825595. The cubic root of 673445146 is about 876.5312598306.

The spelling of 673445146 in words is "six hundred seventy-three million, four hundred forty-five thousand, one hundred forty-six".