1673804144 has 20 divisors (see below), whose sum is σ = 3245706696. Its totient is φ = 836202432.

The previous prime is 1673804141. The next prime is 1673804149. The reversal of 1673804144 is 4414083761.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1673804098 and 1673804107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673804141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23714 + ... + 62529.

Almost surely, 2^1673804144 is an apocalyptic number.

It is an amenable number.

1673804144 is a deficient number, since it is larger than the sum of its proper divisors (1571902552).

1673804144 is a wasteful number, since it uses less digits than its factorization.

1673804144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87464 (or 87458 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1673804144 is about 40912.1515444984. The cubic root of 1673804144 is about 1187.3211742391.

The spelling of 1673804144 in words is "one billion, six hundred seventy-three million, eight hundred four thousand, one hundred forty-four".