673668142 has 16 divisors (see below), whose sum is σ = 1215642240. Its totient is φ = 273519288.

The previous prime is 673668131. The next prime is 673668169. The reversal of 673668142 is 241866376.

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, 1266028 + ... + 1266559.

It is an arithmetic number, because the mean of its divisors is an integer number (75977640).

Almost surely, 2^673668142 is an apocalyptic number.

673668142 is a deficient number, since it is larger than the sum of its proper divisors (541974098).

673668142 is a wasteful number, since it uses less digits than its factorization.

673668142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532615.

The product of its digits is 290304, while the sum is 43.

The square root of 673668142 is about 25955.1178382993. The cubic root of 673668142 is about 876.6279969321.

The spelling of 673668142 in words is "six hundred seventy-three million, six hundred sixty-eight thousand, one hundred forty-two".