673837998 has 16 divisors (see below), whose sum is σ = 1348770000. Its totient is φ = 224430336.

The previous prime is 673837973. The next prime is 673838017. The reversal of 673837998 is 899738376.

It is a congruent number.

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, 37465 + ... + 52452.

It is an arithmetic number, because the mean of its divisors is an integer number (84298125).

Almost surely, 2^673837998 is an apocalyptic number.

673837998 is an abundant number, since it is smaller than the sum of its proper divisors (674932002).

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

673837998 is a wasteful number, since it uses less digits than its factorization.

673837998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91171.

The product of its digits is 13716864, while the sum is 60.

The square root of 673837998 is about 25958.3897420468. The cubic root of 673837998 is about 876.7016672371.

The spelling of 673837998 in words is "six hundred seventy-three million, eight hundred thirty-seven thousand, nine hundred ninety-eight".