673421342 has 8 divisors (see below), whose sum is σ = 1101962232. Its totient is φ = 306100600.

The previous prime is 673421341. The next prime is 673421369. The reversal of 673421342 is 243124376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×673421342² = 906992607722161928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673421299 and 673421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673421341) 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, 15305009 + ... + 15305052.

It is an arithmetic number, because the mean of its divisors is an integer number (137745279).

Almost surely, 2^673421342 is an apocalyptic number.

673421342 is a deficient number, since it is larger than the sum of its proper divisors (428540890).

673421342 is a wasteful number, since it uses less digits than its factorization.

673421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30610074.

The product of its digits is 24192, while the sum is 32.

The square root of 673421342 is about 25950.3630417765. The cubic root of 673421342 is about 876.5209322406.

The spelling of 673421342 in words is "six hundred seventy-three million, four hundred twenty-one thousand, three hundred forty-two".