673851874 has 4 divisors (see below), whose sum is σ = 1010777814. Its totient is φ = 336925936.

The previous prime is 673851869. The next prime is 673851887. The reversal of 673851874 is 478158376.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 592581649 + 81270225 = 24343^2 + 9015^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168462967 + ... + 168462970.

Almost surely, 2^673851874 is an apocalyptic number.

673851874 is a deficient number, since it is larger than the sum of its proper divisors (336925940).

673851874 is a wasteful number, since it uses less digits than its factorization.

673851874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336925939.

The product of its digits is 1128960, while the sum is 49.

The square root of 673851874 is about 25958.6570145684. The cubic root of 673851874 is about 876.7076850182.

The spelling of 673851874 in words is "six hundred seventy-three million, eight hundred fifty-one thousand, eight hundred seventy-four".