673143942 has 16 divisors (see below), whose sum is σ = 1356890112. Its totient is φ = 222614280.

The previous prime is 673143941. The next prime is 673143949. The reversal of 673143942 is 249341376.

It is a self number, because there is not a number n which added to its sum of digits gives 673143942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673143941) 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, 440934 + ... + 442457.

It is an arithmetic number, because the mean of its divisors is an integer number (84805632).

Almost surely, 2^673143942 is an apocalyptic number.

673143942 is an abundant number, since it is smaller than the sum of its proper divisors (683746170).

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

673143942 is a wasteful number, since it uses less digits than its factorization.

673143942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883523.

The product of its digits is 108864, while the sum is 39.

The square root of 673143942 is about 25945.0176719924. The cubic root of 673143942 is about 876.4005616864.

The spelling of 673143942 in words is "six hundred seventy-three million, one hundred forty-three thousand, nine hundred forty-two".