673421142 has 32 divisors (see below), whose sum is σ = 1432368000. Its totient is φ = 210463488.

The previous prime is 673421137. The next prime is 673421143. The reversal of 673421142 is 241124376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673421143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19392 + ... + 41507.

It is an arithmetic number, because the mean of its divisors is an integer number (44761500).

Almost surely, 2^673421142 is an apocalyptic number.

673421142 is an abundant number, since it is smaller than the sum of its proper divisors (758946858).

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

673421142 is a wasteful number, since it uses less digits than its factorization.

673421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61020.

The product of its digits is 8064, while the sum is 30.

The square root of 673421142 is about 25950.3591882656. The cubic root of 673421142 is about 876.5208454677.

The spelling of 673421142 in words is "six hundred seventy-three million, four hundred twenty-one thousand, one hundred forty-two".