673421802 has 16 divisors (see below), whose sum is σ = 1379693952. Its totient is φ = 218998880.

The previous prime is 673421783. The next prime is 673421809. The reversal of 673421802 is 208124376.

It is not an unprimeable number, because it can be changed into a prime (673421809) 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, 1368498 + ... + 1368989.

It is an arithmetic number, because the mean of its divisors is an integer number (86230872).

Almost surely, 2^673421802 is an apocalyptic number.

673421802 is an abundant number, since it is smaller than the sum of its proper divisors (706272150).

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

673421802 is a wasteful number, since it uses less digits than its factorization.

673421802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737533.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 673421802 is about 25950.3719048495. The cubic root of 673421802 is about 876.5211318183.

The spelling of 673421802 in words is "six hundred seventy-three million, four hundred twenty-one thousand, eight hundred two".